Exception when running the textGenGen while no TextGen Aspect exists

[neumantm]

When running the Gen TextGen action, while the language has no TextGen Aspect, I get the following error.
The TextGen Aspect is created, but empty after this.

java.lang.Throwable: Assertion failed: Write access is allowed inside write-action only (see com.intellij.openapi.application.Application.runWriteAction())
	at com.intellij.openapi.diagnostic.Logger.assertTrue(Logger.java:220)
	at com.intellij.openapi.application.impl.ApplicationImpl.assertWriteAccessAllowed(ApplicationImpl.java:1336)
	at jetbrains.mps.ide.vfs.IdeaFile.openOutputStream(IdeaFile.java:499)
	at jetbrains.mps.extapi.persistence.FileDataSource.openOutputStream(FileDataSource.java:118)
	at jetbrains.mps.util.JDOMUtil.writeDocument(JDOMUtil.java:132)
	at jetbrains.mps.smodel.persistence.def.ModelPersistence.saveModel(ModelPersistence.java:238)
	at jetbrains.mps.persistence.DefaultModelPersistence$PersistenceFacility.saveModel(DefaultModelPersistence.java:370)
	at jetbrains.mps.smodel.DefaultSModelDescriptor.saveModel(DefaultSModelDescriptor.java:138)
	at jetbrains.mps.extapi.model.EditableSModelBase.save0(EditableSModelBase.java:280)
	at jetbrains.mps.extapi.model.EditableSModelBase.save(EditableSModelBase.java:238)
	at jetbrains.mps.project.SModuleOperations.createModelWithAdjustments(SModuleOperations.java:132)
	at jetbrains.mps.project.SModuleOperations.createModelWithAdjustments(SModuleOperations.java:107)
	at jetbrains.mps.smodel.LanguageAspect.createNew(LanguageAspect.java:169)
	at jetbrains.mps.smodel.LanguageAspect.createNew(LanguageAspect.java:156)
	at TextGenGen.plugin.plugin.TextGenGenerationProcessor.executeGenerateAction(TextGenGenerationProcessor.java:76)
	at TextGenGen.plugin.plugin.TextGenGenerationProcessor.lambda$generateTextGen$0(TextGenGenerationProcessor.java:51)
	at TextGenGen.plugin.plugin.AsyncWriteAction.lambda$execute$0(AsyncWriteAction.java:19)
	at jetbrains.mps.smodel.ActionDispatcher.dispatch(ActionDispatcher.java:98)
	at jetbrains.mps.smodel.ActionDispatcher.lambda$wrap$0(ActionDispatcher.java:135)
	at jetbrains.mps.smodel.LockRunnable.run(LockRunnable.java:60)
	at com.intellij.openapi.application.impl.ApplicationImpl.runReadAction(ApplicationImpl.java:915)
	at jetbrains.mps.smodel.WorkbenchModelAccess.runWriteAction(WorkbenchModelAccess.java:100)
	at jetbrains.mps.smodel.ModelAccessBase.runWriteAction(ModelAccessBase.java:66)
	at TextGenGen.plugin.plugin.AsyncWriteAction.lambda$execute$1(AsyncWriteAction.java:18)
	at java.base/java.lang.Thread.run(Thread.java:833)

Version 2022.2-beta2