My board seems quite broken

Hey everyone,

I was created a new board today and was copying some data from Google Spreadsheets into a normal Grid. When I did multiple Ctrl+Zs a message popped up warning me to wait for 30 seconds or I might be losing some data. After the 30 seconds I refreshed the page the board wouldn’t load anymore - gets stuck half way through loading. In fact a lot of the UI seems to render out of order/not clear properly. I checked the console on Chrome and this is what I see

 

/app/dashboard/:1 Uncaught (in promise) undefined
s.realtimeboard.com/api/11/store/?sentry_key=9b14e87a42e849f49910cbe634327f35&sentry_version=7:1 Failed to load resource: the server responded with a status of 429 ()
s.realtimeboard.com/api/11/envelope/?sentry_key=9b14e87a42e849f49910cbe634327f35&sentry_version=7:1 Failed to load resource: the server responded with a status of 403 ()
Board.2c79aa42b9a2584cc5f6.js:2 Uncaught TypeError: Cannot read properties of undefined (reading '2Nvkjs_2e')
    at j (Board.2c79aa42b9a2584cc5f6.js:2)
    at n.updateVisualState (Board.2c79aa42b9a2584cc5f6.js:2)
    at n.updateVisualStateAndView (Board.2c79aa42b9a2584cc5f6.js:2)
    at n.applyData (Board.2c79aa42b9a2584cc5f6.js:2)
    at new n (Board.2c79aa42b9a2584cc5f6.js:2)
    at n.create (Board.2c79aa42b9a2584cc5f6.js:2)
    at Object.create (Board.2c79aa42b9a2584cc5f6.js:2)
    at e.createObject (Board.2c79aa42b9a2584cc5f6.js:2)
    at t.createObject (Board.2c79aa42b9a2584cc5f6.js:2)
    at t.onEnterFrame (Board.2c79aa42b9a2584cc5f6.js:2)
    at a.execute (VM674:195)
    at u.dispatch (VM674:195)
    at n.animate (Board.2c79aa42b9a2584cc5f6.js:2)
    at u (VM674:195)
    at VM674:195
s.realtimeboard.com/api/11/store/?sentry_key=9b14e87a42e849f49910cbe634327f35&sentry_version=7:1 Failed to load resource: the server responded with a status of 429 ()
s.realtimeboard.com/api/11/store/?sentry_key=9b14e87a42e849f49910cbe634327f35&sentry_version=7:1 Failed to load resource: the server responded with a status of 429 ()
/api/v1/accounts/3074457345710577340/integrations/jira/serverInfo:1 Failed to load resource: the server responded with a status of 403 ()
s.realtimeboard.com/api/11/store/?sentry_key=9b14e87a42e849f49910cbe634327f35&sentry_version=7:1 Failed to load resource: the server responded with a status of 429 ()
vendor~app.cor~2d10ec5e.4c2bc33caa69a2c084c9.js:1 Error: Canvas scope destroyed
    at Board.2c79aa42b9a2584cc5f6.js:2
    at a.execute (VM674:195)
    at u.dispatch (VM674:195)
    at Module.Je (Board.2c79aa42b9a2584cc5f6.js:2)
    at e.destroy (Board.2c79aa42b9a2584cc5f6.js:2)
    at e.destroy (Board.2c79aa42b9a2584cc5f6.js:2)
    at e.onRouteUnmount (Board.2c79aa42b9a2584cc5f6.js:2)
    at application-core.ee61f430a2c1b5415569.js:2
    at o (vendor~app.cor~2d10ec5e.4c2bc33caa69a2c084c9.js:1)
    at o (vendor~app.cor~2d10ec5e.4c2bc33caa69a2c084c9.js:1)
    at o (vendor~app.cor~2d10ec5e.4c2bc33caa69a2c084c9.js:1)
    at o (vendor~app.cor~2d10ec5e.4c2bc33caa69a2c084c9.js:1)
    at x (vendor~app.cor~2d10ec5e.4c2bc33caa69a2c084c9.js:1)
    at vendor~app.cor~2d10ec5e.4c2bc33caa69a2c084c9.js:1
    at u (VM674:195)
    at VM674:195
(anonymous) @ vendor~app.cor~2d10ec5e.4c2bc33caa69a2c084c9.js:1
2Board.2c79aa42b9a2584cc5f6.js:2 Uncaught (in promise) Error: Canvas scope destroyed
    at Board.2c79aa42b9a2584cc5f6.js:2
    at a.execute (VM674:195)
    at u.dispatch (VM674:195)
    at Module.Je (Board.2c79aa42b9a2584cc5f6.js:2)
    at e.destroy (Board.2c79aa42b9a2584cc5f6.js:2)
    at e.destroy (Board.2c79aa42b9a2584cc5f6.js:2)
    at e.onRouteUnmount (Board.2c79aa42b9a2584cc5f6.js:2)
    at application-core.ee61f430a2c1b5415569.js:2
    at o (vendor~app.cor~2d10ec5e.4c2bc33caa69a2c084c9.js:1)
    at o (vendor~app.cor~2d10ec5e.4c2bc33caa69a2c084c9.js:1)
    at o (vendor~app.cor~2d10ec5e.4c2bc33caa69a2c084c9.js:1)
    at o (vendor~app.cor~2d10ec5e.4c2bc33caa69a2c084c9.js:1)
    at x (vendor~app.cor~2d10ec5e.4c2bc33caa69a2c084c9.js:1)
    at vendor~app.cor~2d10ec5e.4c2bc33caa69a2c084c9.js:1
    at u (VM674:195)
    at VM674:195
/api/v1/accounts/3074457345710577340/integrations/jira/serverInfo:1 Failed to load resource: the server responded with a status of 403 ()
TemplatePicker.2d61c795c15926375f17.js:2 Uncaught (in promise) TypeError: Cannot read properties of undefined (reading 'templates')
    at templatesByCategories (TemplatePicker.2d61c795c15926375f17.js:2)
    at VM674:195
    at VM674:195
    at reduce (VM674:195)
    at v (VM674:195)
    at VM674:195
    at Object.dispatch (VM674:195)
    at TemplatePicker.2d61c795c15926375f17.js:2
(index):1 Uncaught (in promise) undefined
Board.2c79aa42b9a2584cc5f6.js:2 Uncaught (in promise) IllegalStateError: Cannot connect. Wrong state: CONNECTING
    at Q (Board.2c79aa42b9a2584cc5f6.js:2)
    at Y (Board.2c79aa42b9a2584cc5f6.js:2)
    at X (Board.2c79aa42b9a2584cc5f6.js:2)
    at e.connect (Board.2c79aa42b9a2584cc5f6.js:2)
    at e.tryConnectToNextServer (Board.2c79aa42b9a2584cc5f6.js:2)
    at e.i.value [as tryConnectToNextServer] (application-core.ee61f430a2c1b5415569.js:2)
    at e.start (Board.2c79aa42b9a2584cc5f6.js:2)
    at e.i.value [as start] (application-core.ee61f430a2c1b5415569.js:2)
    at Board.2c79aa42b9a2584cc5f6.js:2
    at new Promise (<anonymous>)
    at e.load (Board.2c79aa42b9a2584cc5f6.js:2)
    at x (Board.2c79aa42b9a2584cc5f6.js:2)
    at e.<anonymous> (Board.2c79aa42b9a2584cc5f6.js:2)
    at VM674:195
    at Object.next (VM674:195)
    at a (VM674:195)
s.realtimeboard.com/api/11/store/?sentry_key=9b14e87a42e849f49910cbe634327f35&sentry_version=7:1 Failed to load resource: the server responded with a status of 429 ()
/api/v1/accounts/3074457345710577340/integrations/jira/serverInfo:1 Failed to load resource: the server responded with a status of 403 ()
/api/v1/accounts/3074457345710577340/integrations/jira/serverInfo:1 Failed to load resource: the server responded with a status of 403 ()
s.realtimeboard.com/api/11/envelope/?sentry_key=9b14e87a42e849f49910cbe634327f35&sentry_version=7:1 Failed to load resource: the server responded with a status of 403 ()
/api/v1/accounts/3074457345710577340/integrations/jira/serverInfo:1 Failed to load resource: the server responded with a status of 403 ()
connect.facebook.net/en_US/fbevents.js:1 Failed to load resource: net::ERR_BLOCKED_BY_CLIENT
static.ads-twitter.com/uwt.js:1 Failed to load resource: net::ERR_BLOCKED_BY_CLIENT
pagead2.googlesyndication.com/pagead/landing?gcs=G100&gcd=G100&rnd=1787315832.1639074689&url=https%3A%2F%2Fmiro.com%2Fmarketplace%2F&gtm=2wgc10N5MCLT8:1 Failed to load resource: net::ERR_BLOCKED_BY_CLIENT
pagead2.googlesyndication.com/pagead/conversion/972905154/?random=1639074688991&cv=9&fst=1639074688991&num=1&value=0&label=2XTACM_9p90BEMK19c8D&oid=%25229e42a139-462b-4721-9f0d-2fc38bcdcf2b%2522&guid=ON&resp=GooglemKTybQhCsO&u_h=1080&u_w=1920&u_ah=1050&u_aw=1920&u_cd=24&u_his=8&u_tz=0&u_java=false&u_nplug=3&u_nmime=4&gtm=2wgc10&sendb=1&ig=1&frm=1&url=https%3A%2F%2Fmiro.com%2Fapp%2Fboard%2FuXjVOccfSxk%3D%2F&ref=https%3A%2F%2Fmiro.com%2Fapp%2Fboard%2FuXjVOccfSxk%3D%2F&tiba=Team%20Collaboration%20Apps%20%7C%20Miro%20Apps%20Marketplace&did=dNzMyY2&gcs=G100&gcd=G100&hn=www.googleadservices.com&bttype=purchase&async=1&rfmt=3&fmt=4:1 Failed to load resource: net::ERR_BLOCKED_BY_CLIENT
s.realtimeboard.com/api/11/store/?sentry_key=9b14e87a42e849f49910cbe634327f35&sentry_version=7:1 Failed to load resource: the server responded with a status of 429 ()
Board.2c79aa42b9a2584cc5f6.js:2 Uncaught TypeError: Cannot read properties of undefined (reading '2Nvkjs_2e')
    at j (Board.2c79aa42b9a2584cc5f6.js:2)
    at n.updateVisualState (Board.2c79aa42b9a2584cc5f6.js:2)
    at n.updateVisualStateAndView (Board.2c79aa42b9a2584cc5f6.js:2)
    at n.applyData (Board.2c79aa42b9a2584cc5f6.js:2)
    at new n (Board.2c79aa42b9a2584cc5f6.js:2)
    at n.create (Board.2c79aa42b9a2584cc5f6.js:2)
    at Object.create (Board.2c79aa42b9a2584cc5f6.js:2)
    at e.createObject (Board.2c79aa42b9a2584cc5f6.js:2)
    at t.createObject (Board.2c79aa42b9a2584cc5f6.js:2)
    at t.onEnterFrame (Board.2c79aa42b9a2584cc5f6.js:2)
    at a.execute (VM674:195)
    at u.dispatch (VM674:195)
    at n.animate (Board.2c79aa42b9a2584cc5f6.js:2)
    at u (VM674:195)
    at VM674:195
/api/v1/accounts/3074457345710577340/integrations/jira/serverInfo:1 Failed to load resource: the server responded with a status of 403 ()
s.realtimeboard.com/api/11/store/?sentry_key=9b14e87a42e849f49910cbe634327f35&sentry_version=7:1 Failed to load resource: the server responded with a status of 429 ()
vendor~app.cor~2d10ec5e.4c2bc33caa69a2c084c9.js:1 Error: Canvas scope destroyed
    at Board.2c79aa42b9a2584cc5f6.js:2
    at a.execute (VM674:195)
    at u.dispatch (VM674:195)
    at Module.Je (Board.2c79aa42b9a2584cc5f6.js:2)
    at e.destroy (Board.2c79aa42b9a2584cc5f6.js:2)
    at e.destroy (Board.2c79aa42b9a2584cc5f6.js:2)
    at e.onRouteUnmount (Board.2c79aa42b9a2584cc5f6.js:2)
    at application-core.ee61f430a2c1b5415569.js:2
    at o (vendor~app.cor~2d10ec5e.4c2bc33caa69a2c084c9.js:1)
    at o (vendor~app.cor~2d10ec5e.4c2bc33caa69a2c084c9.js:1)
    at o (vendor~app.cor~2d10ec5e.4c2bc33caa69a2c084c9.js:1)
    at o (vendor~app.cor~2d10ec5e.4c2bc33caa69a2c084c9.js:1)
    at x (vendor~app.cor~2d10ec5e.4c2bc33caa69a2c084c9.js:1)
    at vendor~app.cor~2d10ec5e.4c2bc33caa69a2c084c9.js:1
    at u (VM674:195)
    at VM674:195
(anonymous) @ vendor~app.cor~2d10ec5e.4c2bc33caa69a2c084c9.js:1
2Board.2c79aa42b9a2584cc5f6.js:2 Uncaught (in promise) Error: Canvas scope destroyed
    at Board.2c79aa42b9a2584cc5f6.js:2
    at a.execute (VM674:195)
    at u.dispatch (VM674:195)
    at Module.Je (Board.2c79aa42b9a2584cc5f6.js:2)
    at e.destroy (Board.2c79aa42b9a2584cc5f6.js:2)
    at e.destroy (Board.2c79aa42b9a2584cc5f6.js:2)
    at e.onRouteUnmount (Board.2c79aa42b9a2584cc5f6.js:2)
    at application-core.ee61f430a2c1b5415569.js:2
    at o (vendor~app.cor~2d10ec5e.4c2bc33caa69a2c084c9.js:1)
    at o (vendor~app.cor~2d10ec5e.4c2bc33caa69a2c084c9.js:1)
    at o (vendor~app.cor~2d10ec5e.4c2bc33caa69a2c084c9.js:1)
    at o (vendor~app.cor~2d10ec5e.4c2bc33caa69a2c084c9.js:1)
    at x (vendor~app.cor~2d10ec5e.4c2bc33caa69a2c084c9.js:1)
    at vendor~app.cor~2d10ec5e.4c2bc33caa69a2c084c9.js:1
    at u (VM674:195)
    at VM674:195
Board.2c79aa42b9a2584cc5f6.js:2 Uncaught TypeError: Cannot read properties of undefined (reading '2Nvkjs_2e')
    at j (Board.2c79aa42b9a2584cc5f6.js:2)
    at n.updateVisualState (Board.2c79aa42b9a2584cc5f6.js:2)
    at n.updateVisualStateAndView (Board.2c79aa42b9a2584cc5f6.js:2)
    at n.applyData (Board.2c79aa42b9a2584cc5f6.js:2)
    at new n (Board.2c79aa42b9a2584cc5f6.js:2)
    at n.create (Board.2c79aa42b9a2584cc5f6.js:2)
    at Object.create (Board.2c79aa42b9a2584cc5f6.js:2)
    at e.createObject (Board.2c79aa42b9a2584cc5f6.js:2)
    at t.createObject (Board.2c79aa42b9a2584cc5f6.js:2)
    at t.onEnterFrame (Board.2c79aa42b9a2584cc5f6.js:2)
    at a.execute (VM674:195)
    at u.dispatch (VM674:195)
    at n.animate (Board.2c79aa42b9a2584cc5f6.js:2)
    at u (VM674:195)
    at VM674:195
/api/v1/accounts/3074457345710577340/integrations/jira/serverInfo:1 Failed to load resource: the server responded with a status of 403 ()
s.realtimeboard.com/api/11/store/?sentry_key=9b14e87a42e849f49910cbe634327f35&sentry_version=7:1 Failed to load resource: the server responded with a status of 429 ()
vendor~app.cor~2d10ec5e.4c2bc33caa69a2c084c9.js:1 Error: Canvas scope destroyed
    at Board.2c79aa42b9a2584cc5f6.js:2
    at a.execute (VM674:195)
    at u.dispatch (VM674:195)
    at Module.Je (Board.2c79aa42b9a2584cc5f6.js:2)
    at e.destroy (Board.2c79aa42b9a2584cc5f6.js:2)
    at e.destroy (Board.2c79aa42b9a2584cc5f6.js:2)
    at e.onRouteUnmount (Board.2c79aa42b9a2584cc5f6.js:2)
    at application-core.ee61f430a2c1b5415569.js:2
    at o (vendor~app.cor~2d10ec5e.4c2bc33caa69a2c084c9.js:1)
    at o (vendor~app.cor~2d10ec5e.4c2bc33caa69a2c084c9.js:1)
    at o (vendor~app.cor~2d10ec5e.4c2bc33caa69a2c084c9.js:1)
    at o (vendor~app.cor~2d10ec5e.4c2bc33caa69a2c084c9.js:1)
    at x (vendor~app.cor~2d10ec5e.4c2bc33caa69a2c084c9.js:1)
    at vendor~app.cor~2d10ec5e.4c2bc33caa69a2c084c9.js:1
    at u (VM674:195)
    at VM674:195
(anonymous) @ vendor~app.cor~2d10ec5e.4c2bc33caa69a2c084c9.js:1
2Board.2c79aa42b9a2584cc5f6.js:2 Uncaught (in promise) Error: Canvas scope destroyed
    at Board.2c79aa42b9a2584cc5f6.js:2
    at a.execute (VM674:195)
    at u.dispatch (VM674:195)
    at Module.Je (Board.2c79aa42b9a2584cc5f6.js:2)
    at e.destroy (Board.2c79aa42b9a2584cc5f6.js:2)
    at e.destroy (Board.2c79aa42b9a2584cc5f6.js:2)
    at e.onRouteUnmount (Board.2c79aa42b9a2584cc5f6.js:2)
    at application-core.ee61f430a2c1b5415569.js:2
    at o (vendor~app.cor~2d10ec5e.4c2bc33caa69a2c084c9.js:1)
    at o (vendor~app.cor~2d10ec5e.4c2bc33caa69a2c084c9.js:1)
    at o (vendor~app.cor~2d10ec5e.4c2bc33caa69a2c084c9.js:1)
    at o (vendor~app.cor~2d10ec5e.4c2bc33caa69a2c084c9.js:1)
    at x (vendor~app.cor~2d10ec5e.4c2bc33caa69a2c084c9.js:1)
    at vendor~app.cor~2d10ec5e.4c2bc33caa69a2c084c9.js:1
    at u (VM674:195)
    at VM674:195
s.realtimeboard.com/api/11/envelope/?sentry_key=9b14e87a42e849f49910cbe634327f35&sentry_version=7:1 Failed to load resource: the server responded with a status of 403 ()
Board.2c79aa42b9a2584cc5f6.js:2 Uncaught TypeError: Cannot read properties of undefined (reading '2Nvkjs_2e')
    at j (Board.2c79aa42b9a2584cc5f6.js:2)
    at n.updateVisualState (Board.2c79aa42b9a2584cc5f6.js:2)
    at n.updateVisualStateAndView (Board.2c79aa42b9a2584cc5f6.js:2)
    at n.applyData (Board.2c79aa42b9a2584cc5f6.js:2)
    at new n (Board.2c79aa42b9a2584cc5f6.js:2)
    at n.create (Board.2c79aa42b9a2584cc5f6.js:2)
    at Object.create (Board.2c79aa42b9a2584cc5f6.js:2)
    at e.createObject (Board.2c79aa42b9a2584cc5f6.js:2)
    at t.createObject (Board.2c79aa42b9a2584cc5f6.js:2)
    at t.onEnterFrame (Board.2c79aa42b9a2584cc5f6.js:2)
    at a.execute (VM674:195)
    at u.dispatch (VM674:195)
    at n.animate (Board.2c79aa42b9a2584cc5f6.js:2)
    at u (VM674:195)
    at VM674:195
/api/v1/accounts/3074457345710577340/integrations/jira/serverInfo:1 Failed to load resource: the server responded with a status of 403 ()
DevTools failed to load source map: Could not parse content for https://miro.com/app/static/applicationInlineEntry.b3ba2204fb712d45ba4f.js.map: Unexpected end of JSON input
DevTools failed to load source map: Could not parse content for https://miro.com/app/static/lazy-local-storage.2c0a601f8a6985655294.js.map: Unexpected end of JSON input
DevTools failed to load source map: Could not parse content for https://miro.com/app/static/vendor~SplIO~ac104870.289cb81f3ce761f8252d.js.map: Unexpected end of JSON input
DevTools failed to load source map: Could not parse content for https://miro.com/app/static/vendor~AppAct.des~Boa~LeaTea~Sea~644a4a9f.c9fde92cf26d671e28c6.js.map: Unexpected end of JSON input
DevTools failed to load source map: Could not parse content for https://miro.com/app/static/cmn~SplIO~app.cor~roo.sto~3e2d3a91.a915778f056692dd2b16.js.map: Unexpected end of JSON input
DevTools failed to load source map: Could not parse content for https://miro.com/app/static/cmn~ang.des~ang.web~21612863.db4f64ad1da6be83bc19.js.map: Unexpected end of JSON input
DevTools failed to load source map: Could not parse content for https://miro.com/app/static/vendorReact~Bil~BoaExp~BoaInfOpe~BoaJir~BoaUI.des~BoaUI.mob~BoaUI.web~Das.des~Das.mob~Fee~GueNamDia~~a657296f.0cd6f53d341441c619c0.js.map: Unexpected end of JSON input
DevTools failed to load source map: Could not parse content for https://miro.com/app/static/application-core.ee61f430a2c1b5415569.js.map: Unexpected end of JSON input
DevTools failed to load source map: Could not parse content for https://miro.com/app/static/vendorReact~Bil~BoaExp~BoaInfOpe~BoaJir~BoaUI.des~BoaUI.mob~BoaUI.web~Das.des~Das.mob~Fee~GueNamDia~~9c246ba4.779a231033ad024441df.js.map: Unexpected end of JSON input
DevTools failed to load source map: Could not parse content for https://miro.com/app/static/vendorReact~BoaUI.des~BoaUI.mob~BoaUI.web~Das.des~GueNamDia~Set~ShaAndInv~TemPic~aut~55f66546.b1290606fccb8d2121d3.js.map: Unexpected end of JSON input
DevTools failed to load source map: Could not parse content for https://miro.com/app/static/Dashboard.desktop.8186016cde60bf51c4cb.js.map: Unexpected end of JSON input
DevTools failed to load source map: Could not parse content for https://miro.com/app/static/vendor~pop~e5ea103e.b20aee35252a8c233d61.js.map: Unexpected end of JSON input
DevTools failed to load source map: Could not parse content for https://miro.com/app/static/last-activation-stage.9cfc56380da2b120ae1c.js.map: Unexpected end of JSON input
DevTools failed to load source map: Could not parse content for https://miro.com/app/static/Projects.eea85e2891cf600aa45b.js.map: Unexpected end of JSON input
DevTools failed to load source map: Could not parse content for https://miro.com/app/static/InspirationCenter.e752e065c25a5f33208d.js.map: Unexpected end of JSON input
DevTools failed to load source map: Could not parse content for https://miro.com/app/static/Feed.58bda910876fb93a5957.js.map: Unexpected end of JSON input
DevTools failed to load source map: Could not parse content for https://miro.com/app/static/BoardInfoOperations.13176225d601c3908566.js.map: Unexpected end of JSON input
DevTools failed to load source map: Could not parse content for https://miro.com/app/static/Billing.a4d11708f4b44f2cd465.js.map: Unexpected end of JSON input
DevTools failed to load source map: Could not parse content for https://miro.com/app/static/ShareAndInvite.b7dc2bb28499c0221abc.js.map: Unexpected end of JSON input
DevTools failed to load source map: Could not parse content for https://miro.com/app/static/Board.2c79aa42b9a2584cc5f6.js.map: Unexpected end of JSON input
DevTools failed to load source map: Could not parse content for https://miro.com/app/static/BoardExport.ac84d3f785958e2cbbd2.js.map: Unexpected end of JSON input
DevTools failed to load source map: Could not parse content for https://miro.com/app/static/react.desktop.36c7c3adaf5cbf5de028.js.map: Unexpected end of JSON input
DevTools failed to load source map: Could not parse content for https://miro.com/app/static/BoardJira.29f38487a5f459a0ce8f.js.map: Unexpected end of JSON input
DevTools failed to load source map: Could not parse content for https://miro.com/app/static/BoardUI.desktop.b46f3099b22736bb7358.js.map: Unexpected end of JSON input
DevTools failed to load source map: Could not parse content for https://miro.com/app/static/StickersLibraryModule.664d26923d4d40a3ac43.js.map: Unexpected end of JSON input
DevTools failed to load source map: Could not parse content for https://miro.com/app/static/BoardTimerModule.3db17501f7bafc6eeb39.js.map: Unexpected end of JSON input
DevTools failed to load source map: Could not parse content for https://miro.com/app/static/vendorReact~MeeMod~06f146d6.3813f323351872c2ca0d.js.map: Unexpected end of JSON input
DevTools failed to load source map: Could not parse content for https://miro.com/app/static/TemplatePicker.2d61c795c15926375f17.js.map: Unexpected end of JSON input

Any help appreciated to get my board up and running again as I have put in some hours of work into it already! Also tried using the history feature to restore a previous version with little success