org.jetbrains.kotlin.backend.common.BackendException: Backend Internal error: Exception during IR lowering File being compiled: C:/Users/Admin/Downloads/Firstactivity2/app/src/main/java/com/example/firstactivity2/data/database/MainHelper.kt The root cause java.lang.NullPointerException was thrown at: org.jetbrains.kotlin.backend.common.lower.AnnotationImplementationTransformer.implementAnnotationProperties(AnnotationImplementationTransformer.kt:127) at org.jetbrains.kotlin.backend.common.CodegenUtil.reportBackendException(CodegenUtil.kt:239) at org.jetbrains.kotlin.backend.common.CodegenUtil.reportBackendException$default(CodegenUtil.kt:235) at org.jetbrains.kotlin.backend.common.phaser.PerformByIrFilePhase.invokeSequential(performByIrFile.kt:68) at org.jetbrains.kotlin.backend.common.phaser.PerformByIrFilePhase.invoke(performByIrFile.kt:55) at org.jetbrains.kotlin.backend.common.phaser.PerformByIrFilePhase.invoke(performByIrFile.kt:41) at org.jetbrains.kotlin.backend.common.phaser.NamedCompilerPhase.invoke(CompilerPhase.kt:96) at org.jetbrains.kotlin.backend.common.phaser.CompositePhase.invoke(PhaseBuilders.kt:29) at org.jetbrains.kotlin.backend.common.phaser.NamedCompilerPhase.invoke(CompilerPhase.kt:96) at org.jetbrains.kotlin.backend.common.phaser.CompositePhase.invoke(PhaseBuilders.kt:22) at org.jetbrains.kotlin.backend.common.phaser.NamedCompilerPhase.invoke(CompilerPhase.kt:96) at org.jetbrains.kotlin.backend.common.phaser.CompilerPhaseKt.invokeToplevel(CompilerPhase.kt:43) at org.jetbrains.kotlin.backend.jvm.JvmIrCodegenFactory.doGenerateFilesInternal(JvmIrCodegenFactory.kt:195) at org.jetbrains.kotlin.backend.jvm.JvmIrCodegenFactory.generateModule(JvmIrCodegenFactory.kt:60) at org.jetbrains.kotlin.codegen.KotlinCodegenFacade.compileCorrectFiles(KotlinCodegenFacade.java:35) at org.jetbrains.kotlin.cli.jvm.compiler.KotlinToJVMBytecodeCompiler.generate(KotlinToJVMBytecodeCompiler.kt:331) at org.jetbrains.kotlin.cli.jvm.compiler.KotlinToJVMBytecodeCompiler.compileModules$cli(KotlinToJVMBytecodeCompiler.kt:123) at org.jetbrains.kotlin.cli.jvm.compiler.KotlinToJVMBytecodeCompiler.compileModules$cli$default(KotlinToJVMBytecodeCompiler.kt:58) at org.jetbrains.kotlin.cli.jvm.K2JVMCompiler.doExecute(K2JVMCompiler.kt:170) at org.jetbrains.kotlin.cli.jvm.K2JVMCompiler.doExecute(K2JVMCompiler.kt:52) at org.jetbrains.kotlin.cli.common.CLICompiler.execImpl(CLICompiler.kt:92) at org.jetbrains.kotlin.cli.common.CLICompiler.execImpl(CLICompiler.kt:44) at org.jetbrains.kotlin.cli.common.CLITool.exec(CLITool.kt:98) at org.jetbrains.kotlin.incremental.IncrementalJvmCompilerRunner.runCompiler(IncrementalJvmCompilerRunner.kt:434) at org.jetbrains.kotlin.incremental.IncrementalJvmCompilerRunner.runCompiler(IncrementalJvmCompilerRunner.kt:120) at org.jetbrains.kotlin.incremental.IncrementalCompilerRunner.compileIncrementally(IncrementalCompilerRunner.kt:357) at org.jetbrains.kotlin.incremental.IncrementalCompilerRunner.compileIncrementally$default(IncrementalCompilerRunner.kt:299) at org.jetbrains.kotlin.incremental.IncrementalCompilerRunner.compileImpl$rebuild(IncrementalCompilerRunner.kt:118) at org.jetbrains.kotlin.incremental.IncrementalCompilerRunner.compileImpl(IncrementalCompilerRunner.kt:169) at org.jetbrains.kotlin.incremental.IncrementalCompilerRunner.compile(IncrementalCompilerRunner.kt:80) at org.jetbrains.kotlin.daemon.CompileServiceImplBase.execIncrementalCompiler(CompileServiceImpl.kt:622) at org.jetbrains.kotlin.daemon.CompileServiceImplBase.access$execIncrementalCompiler(CompileServiceImpl.kt:100) at org.jetbrains.kotlin.daemon.CompileServiceImpl.compile(CompileServiceImpl.kt:1713) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at java.rmi/sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:359) at java.rmi/sun.rmi.transport.Transport$1.run(Transport.java:200) at java.rmi/sun.rmi.transport.Transport$1.run(Transport.java:197) at java.base/java.security.AccessController.doPrivileged(Native Method) at java.rmi/sun.rmi.transport.Transport.serviceCall(Transport.java:196) at java.rmi/sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:562) at java.rmi/sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:796) at java.rmi/sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.lambda$run$0(TCPTransport.java:677) at java.base/java.security.AccessController.doPrivileged(Native Method) at java.rmi/sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:676) 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:829) Caused by: java.lang.NullPointerException at org.jetbrains.kotlin.backend.common.lower.AnnotationImplementationTransformer.implementAnnotationProperties(AnnotationImplementationTransformer.kt:127) at org.jetbrains.kotlin.backend.common.lower.AnnotationImplementationTransformer.createAnnotationImplementation(AnnotationImplementationTransformer.kt:105) at org.jetbrains.kotlin.backend.common.lower.AnnotationImplementationTransformer.visitConstructorCall(AnnotationImplementationTransformer.kt:57) at org.jetbrains.kotlin.backend.jvm.lower.JvmAnnotationImplementationTransformer.visitConstructorCall(JvmAnnotationImplementationTransformer.kt:48) at org.jetbrains.kotlin.ir.visitors.IrElementTransformerVoid.visitConstructorCall(IrElementTransformerVoid.kt:202) at org.jetbrains.kotlin.ir.visitors.IrElementTransformerVoid.visitConstructorCall(IrElementTransformerVoid.kt:24) at org.jetbrains.kotlin.ir.expressions.impl.IrConstructorCallImpl.accept(IrConstructorCallImpl.kt:28) at org.jetbrains.kotlin.ir.expressions.IrExpression.transform(IrExpression.kt:33) at org.jetbrains.kotlin.ir.expressions.IrExpressionBody.transformChildren(IrBody.kt:46) at org.jetbrains.kotlin.ir.visitors.IrElementTransformerVoid.visitBody(IrElementTransformerVoid.kt:108) at org.jetbrains.kotlin.ir.visitors.IrElementTransformerVoid.visitExpressionBody(IrElementTransformerVoid.kt:114) at org.jetbrains.kotlin.ir.visitors.IrElementTransformerVoid.visitExpressionBody(IrElementTransformerVoid.kt:115) at org.jetbrains.kotlin.ir.visitors.IrElementTransformerVoid.visitExpressionBody(IrElementTransformerVoid.kt:24) at org.jetbrains.kotlin.ir.expressions.IrExpressionBody.accept(IrBody.kt:36) at org.jetbrains.kotlin.ir.expressions.IrExpressionBody.transform(IrBody.kt:39) at org.jetbrains.kotlin.ir.declarations.IrField.transformChildren(IrField.kt:41) at org.jetbrains.kotlin.ir.visitors.IrElementTransformerVoid.visitDeclaration(IrElementTransformerVoid.kt:57) at org.jetbrains.kotlin.ir.visitors.IrElementTransformerVoid.visitField(IrElementTransformerVoid.kt:81) at org.jetbrains.kotlin.backend.common.IrElementTransformerVoidWithContext.visitFieldNew(IrElementTransformerVoidWithContext.kt:123) at org.jetbrains.kotlin.backend.common.IrElementTransformerVoidWithContext.visitField(IrElementTransformerVoidWithContext.kt:61) at org.jetbrains.kotlin.ir.visitors.IrElementTransformerVoid.visitField(IrElementTransformerVoid.kt:82) at org.jetbrains.kotlin.ir.visitors.IrElementTransformerVoid.visitField(IrElementTransformerVoid.kt:24) at org.jetbrains.kotlin.ir.declarations.IrField.accept(IrField.kt:34) at org.jetbrains.kotlin.ir.IrElement$DefaultImpls.transform(IrElement.kt:32) at org.jetbrains.kotlin.ir.IrElementBase.transform(IrElementBase.kt:19) at org.jetbrains.kotlin.ir.declarations.IrProperty.transformChildren(IrProperty.kt:58) at org.jetbrains.kotlin.ir.visitors.IrElementTransformerVoid.visitDeclaration(IrElementTransformerVoid.kt:57) at org.jetbrains.kotlin.ir.visitors.IrElementTransformerVoid.visitProperty(IrElementTransformerVoid.kt:78) at org.jetbrains.kotlin.backend.common.IrElementTransformerVoidWithContext.visitPropertyNew(IrElementTransformerVoidWithContext.kt:119) at org.jetbrains.kotlin.backend.common.IrElementTransformerVoidWithContext.visitProperty(IrElementTransformerVoidWithContext.kt:54) at org.jetbrains.kotlin.ir.visitors.IrElementTransformerVoid.visitProperty(IrElementTransformerVoid.kt:79) at org.jetbrains.kotlin.ir.visitors.IrElementTransformerVoid.visitProperty(IrElementTransformerVoid.kt:24) at org.jetbrains.kotlin.ir.declarations.IrProperty.accept(IrProperty.kt:49) at org.jetbrains.kotlin.ir.IrElement$DefaultImpls.transform(IrElement.kt:32) at org.jetbrains.kotlin.ir.IrElementBase.transform(IrElementBase.kt:19) at org.jetbrains.kotlin.ir.util.TransformKt.transformInPlace(transform.kt:35) at org.jetbrains.kotlin.ir.declarations.IrClass.transformChildren(IrClass.kt:66) at org.jetbrains.kotlin.ir.visitors.IrElementTransformerVoid.visitDeclaration(IrElementTransformerVoid.kt:57) at org.jetbrains.kotlin.ir.visitors.IrElementTransformerVoid.visitClass(IrElementTransformerVoid.kt:66) at org.jetbrains.kotlin.backend.common.IrElementTransformerVoidWithContext.visitClassNew(IrElementTransformerVoidWithContext.kt:111) at org.jetbrains.kotlin.backend.common.IrElementTransformerVoidWithContext.visitClass(IrElementTransformerVoidWithContext.kt:47) at org.jetbrains.kotlin.ir.visitors.IrElementTransformerVoid.visitClass(IrElementTransformerVoid.kt:67) at org.jetbrains.kotlin.ir.visitors.IrElementTransformerVoid.visitClass(IrElementTransformerVoid.kt:24) at org.jetbrains.kotlin.ir.declarations.IrClass.accept(IrClass.kt:55) at org.jetbrains.kotlin.ir.IrElement$DefaultImpls.transform(IrElement.kt:32) at org.jetbrains.kotlin.ir.IrElementBase.transform(IrElementBase.kt:19) at org.jetbrains.kotlin.ir.util.TransformKt.transformInPlace(transform.kt:35) at org.jetbrains.kotlin.ir.declarations.IrClass.transformChildren(IrClass.kt:66) at org.jetbrains.kotlin.ir.visitors.IrElementTransformerVoid.visitDeclaration(IrElementTransformerVoid.kt:57) at org.jetbrains.kotlin.ir.visitors.IrElementTransformerVoid.visitClass(IrElementTransformerVoid.kt:66) at org.jetbrains.kotlin.backend.common.IrElementTransformerVoidWithContext.visitClassNew(IrElementTransformerVoidWithContext.kt:111) at org.jetbrains.kotlin.backend.common.IrElementTransformerVoidWithContext.visitClass(IrElementTransformerVoidWithContext.kt:47) at org.jetbrains.kotlin.ir.visitors.IrElementTransformerVoid.visitClass(IrElementTransformerVoid.kt:67) at org.jetbrains.kotlin.ir.visitors.IrElementTransformerVoid.visitClass(IrElementTransformerVoid.kt:24) at org.jetbrains.kotlin.ir.declarations.IrClass.accept(IrClass.kt:55) at org.jetbrains.kotlin.ir.IrElement$DefaultImpls.transform(IrElement.kt:32) at org.jetbrains.kotlin.ir.IrElementBase.transform(IrElementBase.kt:19) at org.jetbrains.kotlin.ir.declarations.impl.IrFileImpl.transformChildren(IrFileImpl.kt:89) at org.jetbrains.kotlin.ir.visitors.IrElementTransformerVoidKt.transformChildrenVoid(IrElementTransformerVoid.kt:330) at org.jetbrains.kotlin.backend.common.lower.AnnotationImplementationLowering.lower(AnnotationImplementationTransformer.kt:41) at org.jetbrains.kotlin.backend.common.phaser.FileLoweringPhaseAdapter.invoke(PhaseBuilders.kt:120) at org.jetbrains.kotlin.backend.common.phaser.FileLoweringPhaseAdapter.invoke(PhaseBuilders.kt:116) at org.jetbrains.kotlin.backend.common.phaser.NamedCompilerPhase.invoke(CompilerPhase.kt:96) at org.jetbrains.kotlin.backend.common.phaser.PerformByIrFilePhase.invokeSequential(performByIrFile.kt:65) ... 46 more