java.lang.IllegalArgumentException: Argument 0 for @NotNull parameter of com/intellij/openapi/fileEditor/impl/FileEditorProviderManagerImpl.getProviders must not be null

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    • java.lang.IllegalArgumentException: Argument 0 for @NotNull parameter of com/intellij/openapi/fileEditor/impl/FileEditorProviderManagerImpl.getProviders must not be null at com.intellij.openapi.fileEditor.impl.FileEditorProviderManagerImpl.getProviders(FileEditorProviderManagerImpl.java) at com.intellij.openapi.diff.impl.highlighting.EditorPlaceHolder.setContent(EditorPlaceHolder.java:73) at com.intellij.openapi.diff.impl.highlighting.DiffPanelState$1.run(DiffPanelState.java:38) at com.intellij.openapi.application.impl.ApplicationImpl.runWriteAction(ApplicationImpl.java:840) at com.intellij.openapi.diff.impl.highlighting.DiffPanelState.setContents(DiffPanelState.java:36) at com.intellij.openapi.diff.impl.DiffPanelImpl.setContents(DiffPanelImpl.java:137) at com.intellij.openapi.diff.impl.DiffPanelImpl.setDiffRequest(DiffPanelImpl.java:345) at com.intellij.openapi.diff.impl.external.DiffManagerImpl.createDiffPanel(DiffManagerImpl.java:159) at com.intellij.openapi.diff.impl.external.FrameDiffTool.a(FrameDiffTool.java:84) at com.intellij.openapi.diff.impl.external.FrameDiffTool.show(FrameDiffTool.java:48) at com.intellij.openapi.diff.DiffApplication.processDiffCommand(DiffApplication.java:86) at com.intellij.openapi.diff.DiffApplication.main(DiffApplication.java:49) at com.intellij.idea.IdeaApplication.run(IdeaApplication.java:110) at com.intellij.idea.MainImpl$3.run(MainImpl.java:156)
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