com.intellij.diagnostic.PluginException: Incorrect name specified in <fileType>, should be XML, actual KORGE_SCML [Plugin: com.soywiz.korge.korge-intellij-plugin]

[soywiz]

com.intellij.diagnostic.PluginException: Incorrect name specified in <fileType>, should be XML, actual KORGE_SCML [Plugin: com.soywiz.korge.korge-intellij-plugin]
	at com.intellij.openapi.fileTypes.impl.FileTypeManagerImpl.instantiateFileTypeBean(FileTypeManagerImpl.java:491)
	at com.intellij.openapi.fileTypes.impl.FileTypeManagerImpl.instantiatePendingFileTypes(FileTypeManagerImpl.java:464)
	at com.intellij.openapi.fileTypes.impl.FileTypeManagerImpl.getRegisteredFileTypes(FileTypeManagerImpl.java:1207)
	at com.intellij.psi.impl.cache.impl.id.IdIndexImpl.getVersion(IdIndexImpl.java:25)
	at com.intellij.util.indexing.FileBasedIndexImpl.registerIndexer(FileBasedIndexImpl.java:349)
	at com.intellij.util.indexing.FileBasedIndexImpl.access$5300(FileBasedIndexImpl.java:107)
	at com.intellij.util.indexing.FileBasedIndexImpl$FileIndexDataInitialization.lambda$initAssociatedDataForExtensions$0(FileBasedIndexImpl.java:2448)
	at com.intellij.util.indexing.IndexInfrastructure$DataInitialization.executeNestedInitializationTask(IndexInfrastructure.java:173)
	at com.intellij.util.indexing.IndexInfrastructure$DataInitialization.runParallelNestedInitializationTasks(IndexInfrastructure.java:161)
	at com.intellij.util.indexing.IndexInfrastructure$DataInitialization.call(IndexInfrastructure.java:122)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at com.intellij.util.concurrency.BoundedTaskExecutor.doRun(BoundedTaskExecutor.java:222)
	at com.intellij.util.concurrency.BoundedTaskExecutor.access$200(BoundedTaskExecutor.java:30)
	at com.intellij.util.concurrency.BoundedTaskExecutor$1.execute(BoundedTaskExecutor.java:201)
	at com.intellij.util.ConcurrencyUtil.runUnderThreadName(ConcurrencyUtil.java:221)
	at com.intellij.util.concurrency.BoundedTaskExecutor$1.run(BoundedTaskExecutor.java:190)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
	at java.base/java.lang.Thread.run(Thread.java:834)

[TobseF]

I can confirm this crash:

com.intellij.diagnostic.PluginException: Incorrect name specified in <fileType>, should be XML, actual KORGE_SCML [Plugin: com.soywiz.korge.korge-intellij-plugin]
	at com.intellij.openapi.fileTypes.impl.FileTypeManagerImpl.instantiateFileTypeBean(FileTypeManagerImpl.java:491)