```null java.lang.AbstractMethodError at org.jetb...

# intellij

[suresh]

null
java.lang.AbstractMethodError
	at org.jetbrains.kotlin.codegen.ImplementationBodyCodegen.generateSyntheticPartsAfterBody(ImplementationBodyCodegen.java:389)
	at org.jetbrains.kotlin.codegen.MemberCodegen.generate(MemberCodegen.java:145)
	at org.jetbrains.kotlin.codegen.MemberCodegen.genClassOrObject(MemberCodegen.java:316)
	at org.jetbrains.kotlin.codegen.MemberCodegen.genClassOrObject(MemberCodegen.java:300)
	at org.jetbrains.kotlin.codegen.PackageCodegenImpl.generateClassOrObject(PackageCodegenImpl.java:157)
	at org.jetbrains.kotlin.asJava.builder.LightClassDataProviderForClassOrObject$computeLightClassData$1$1.invoke(LightClassDataProvider.kt:53)
	at

[sandwwraith]

If you have kotlinx-serialization plugin installed in IDE, it may be the issue

[suresh]

Thanks. Seems working fine after disabling kotlinx-serialization plugin.