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kotlinlang

Just updated to kotlin plugin version: 203-1.5.31-release-550-AS7717.8 and now my project fails to sync, even though gradle is not giving an error

`2021-09-20 11:59:06,225 [ 482502]  ERROR - intellij.openapi.progress.Task - Android Studio Arctic Fox | 2020.3.1 Patch 2  Build #AI-203.7717.56.2031.7678000` 
`2021-09-20 11:59:06,225 [ 482502]  ERROR - intellij.openapi.progress.Task - JDK: 11.0.10; VM: OpenJDK 64-Bit Server VM; Vendor: JetBrains s.r.o.` 
`2021-09-20 11:59:06,225 [ 482502]  ERROR - intellij.openapi.progress.Task - OS: Mac OS X` 
`2021-09-20 11:59:06,225 [ 482502]  ERROR - intellij.openapi.progress.Task - Plugin to blame: Kotlin version: 203-1.5.31-release-550-AS7717.8` 
`2021-09-20 11:59:06,225 [ 482502]  ERROR - intellij.openapi.progress.Task - Last Action: MakeGradleModule` 
`2021-09-20 11:59:06,227 [ 482504]   INFO - g.FileBasedIndexProjectHandler - Reindexing refreshed files: 566 to update, calculated in 1ms` 
`2021-09-20 11:59:06,227 [ 482504]   INFO - g.FileBasedIndexProjectHandler - Using 4 threads for indexing` 
`2021-09-20 11:59:06,325 [ 482602]   INFO - cState$SyncStateUpdaterService - stopTrackingTask(RESOLVE_PROJECT:4)` 
`2021-09-20 11:59:06,325 [ 482602]   WARN - e.project.sync.GradleSyncState - Gradle sync failed: Sync failed: reason unknown (11 s 886 ms)` 

Problem solved: "Invalidate caches &amp; restart" fixed it