nav[aria-label="Primary Navigation"] { padding: 0; & ul { list-style: none; width: 100%; display: flex; flex-direction: row; justify-content: start; align-items: start; gap: 30px; padding: 0; & li { margin: 0; } & ul li { list-style: none; } } }

Upgrading to Arcgis 4.12 throws an error: ERROR TypeError: Cannot read property '1' of undefined

DanLokman

We use Arcgis for javascript 4.11 and after loading the map on the UI, everything works fine. However, we just upgraded to use version 4.12 and we are getting the following error on page load. Can someone please help us resolve this? Thanks

core.js:15713 ERROR TypeError: Cannot read property '1' of undefined
at a.getData (engine.js:448)
at a.getVVSize (engine.js:447)
at a.reset (engine.js:468)
at a.reset (engine.js:465)
at a.run (engine.js:457)
at Object.e._applyVisivilityPass (mapViewDeps.js:8)
at u (mapViewDeps.js:9)
at ZoneDelegate.push../node_modules/zone.js/dist/zone.js.ZoneDelegate.invokeTask (zone.js:423)
at Object.onInvokeTask (core.js:17279)
at ZoneDelegate.push../node_modules/zone.js/dist/zone.js.ZoneDelegate.invokeTask (zone.js:422)

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SurajJha1

Hi Matt,

I am getting exactly the same issue when one of my layer is loading. Can you please let us know the fix you have applied? Published layer type is polyline and using ArcGIS API for javascript 4,12 and server version is 10.6.1. What I am guessing there may be labeling issue with the layer because in code if I set the labelinginfo : null this error does not appear.

Thanks

Suraj

DanLokman

Thanks a bunch. We'll surely test with 4.13 once it comes out and will let you guys know....

mgeorge

Ah, I work on the labeling and fixed this issue in another context, which I think should fix this one as well. Not sure if we plan on exposing a 4.13 pre-release yet, but I'll get back to you on that.

DanLokman

Thanks. Good to know. How do you know it'll be fixed in 4.13? Do you have a reference url or article? Thanks

JamesPoeschel_1-1765812325828.png

mgeorge

Hi Dan Lokman‌! Unfortunately the fix for this didn't quite make it into 4.12, but it will be there for 4.13.

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