Read access is allowed from inside read-action (or EDT) only (see com.intellij.openapi.application.Application.runReadAction()), Current thread: Thread[ApplicationImpl pooled thread 936,4,main] 546459351 (EventQueue.isDispatchThread()=false), SystemEventQueueThread: Thread[AWT-EventQueue-0,6,main] 1731169220 at com.intellij.openapi.application.impl.ApplicationImpl.assertReadAccessAllowed(ApplicationImpl.java:1004)

[sandergol]

System

Plugin Version: 15.0.1
Application: IntelliJ IDEA Ultimate Edition (2023.1.1)
Operating System: Mac OS X (12.6.5)

Event

Exception

Stacktrace

java.lang.Throwable: Read access is allowed from inside read-action (or EDT) only (see com.intellij.openapi.application.Application.runReadAction())

java.lang.Throwable: Read access is allowed from inside read-action (or EDT) only (see com.intellij.openapi.application.Application.runReadAction())
Current thread: Thread[ApplicationImpl pooled thread 936,4,main] 546459351 (EventQueue.isDispatchThread()=false)
SystemEventQueueThread: Thread[AWT-EventQueue-0,6,main] 1731169220
	at com.intellij.openapi.diagnostic.Logger.error(Logger.java:202)
	at com.intellij.openapi.application.impl.ApplicationImpl.assertReadAccessAllowed(ApplicationImpl.java:1004)
	at com.intellij.workspaceModel.core.fileIndex.impl.WorkspaceFileIndexDataImpl.ensureIsUpToDate(WorkspaceFileIndexDataImpl.kt:127)
	at com.intellij.workspaceModel.core.fileIndex.impl.WorkspaceFileIndexDataImpl.getFileInfo(WorkspaceFileIndexDataImpl.kt:70)
	at com.intellij.workspaceModel.core.fileIndex.impl.WorkspaceFileIndexImpl.getFileInfo(WorkspaceFileIndexImpl.kt:220)
	at com.intellij.workspaceModel.core.fileIndex.impl.WorkspaceFileIndexImpl.findFileSetWithCustomData(WorkspaceFileIndexImpl.kt:205)
	at com.intellij.openapi.roots.impl.ProjectFileIndexImpl.getModuleForFile(ProjectFileIndexImpl.java:133)
	at com.intellij.openapi.roots.impl.ProjectFileIndexImpl.getModuleForFile(ProjectFileIndexImpl.java:125)
	at com.intellij.openapi.module.ModuleUtilCore.findModuleForPsiElement(ModuleUtilCore.java:124)
	at org.elixir_lang.sdk.elixir.Type$Companion.mostSpecificSdk(Type.kt:535)
	at org.elixir_lang.formatter.MixFormatExternalFormatProcessor.format$lambda$7$lambda$6(MixFormatExternalFormatProcessor.kt:46)
	at com.intellij.openapi.application.impl.ApplicationImpl$1.run(ApplicationImpl.java:252)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.util.concurrent.Executors$PrivilegedThreadFactory$1$1.run(Executors.java:702)
	at java.base/java.util.concurrent.Executors$PrivilegedThreadFactory$1$1.run(Executors.java:699)
	at java.base/java.security.AccessController.doPrivileged(AccessController.java:399)
	at java.base/java.util.concurrent.Executors$PrivilegedThreadFactory$1.run(Executors.java:699)

[nubeiro]

+1 happens to me also, when using Reformat code action