unable to open file

[EasyIsAllYouNeed]

java.lang.IllegalStateException: Invalid BootstrapMethods attribute entry: 2 additional arguments required for method java/lang/invoke/StringConcatFactory.makeConcatWithConstants, but only 1 specified.
at com.strobel.assembler.ir.Error.invalidBootstrapMethodEntry(Error.java:244)
at com.strobel.assembler.ir.MetadataReader.readAttributeCore(MetadataReader.java:280)
at com.strobel.assembler.metadata.ClassFileReader.readAttributeCore(ClassFileReader.java:261)
at com.strobel.assembler.ir.MetadataReader.inflateAttributes(MetadataReader.java:439)
at com.strobel.assembler.metadata.ClassFileReader.visitAttributes(ClassFileReader.java:1134)
at com.strobel.assembler.metadata.ClassFileReader.readClass(ClassFileReader.java:439)
at com.strobel.assembler.metadata.ClassFileReader.readClass(ClassFileReader.java:377)
at com.strobel.assembler.metadata.MetadataSystem.resolveType(MetadataSystem.java:129)
at com.strobel.assembler.metadata.MetadataSystem.lookupTypeCore(MetadataSystem.java:86)
at com.strobel.assembler.metadata.MetadataResolver.lookupType(MetadataResolver.java:46)
at us.deathmarine.luyten.Model.openEntryByTreePath(Model.java:338)
at us.deathmarine.luyten.Model$TreeListener$1.run(Model.java:266)

[greenozon]

pls attach your failed file