save all source : Argument 'target' cannot be null.

[UIdoer]

java.lang.IllegalArgumentException: Argument 'target' cannot be null.
at com.strobel.core.VerifyArgument.notNull(VerifyArgument.java:38)
at com.strobel.assembler.metadata.MetadataHelper.isConvertible(MetadataHelper.java:493)
at com.strobel.assembler.metadata.MetadataHelper.isConvertible(MetadataHelper.java:488)
at com.strobel.assembler.metadata.MetadataHelper.isAssignableFrom(MetadataHelper.java:557)
at com.strobel.assembler.metadata.MethodBinder.selectMethod(MethodBinder.java:119)
at com.strobel.decompiler.languages.java.utilities.RedundantCastUtility$IsRedundantVisitor.processCall(RedundantCastUtility.java:742)
at com.strobel.decompiler.languages.java.utilities.RedundantCastUtility$IsRedundantVisitor.visitInvocationExpression(RedundantCastUtility.java:256)
at com.strobel.decompiler.languages.java.utilities.RedundantCastUtility$IsRedundantVisitor.visitInvocationExpression(RedundantCastUtility.java:167)
at com.strobel.decompiler.languages.java.ast.InvocationExpression.acceptVisitor(InvocationExpression.java:78)
at com.strobel.decompiler.languages.java.utilities.RedundantCastUtility.getRedundantCastsInside(RedundantCastUtility.java:49)
at com.strobel.decompiler.languages.java.ast.transforms.RemoveRedundantCastsTransform.visitCastExpression(RemoveRedundantCastsTransform.java:50)
at com.strobel.decompiler.languages.java.ast.transforms.RemoveRedundantCastsTransform.visitCastExpression(RemoveRedundantCastsTransform.java:30)
at com.strobel.decompiler.languages.java.ast.CastExpression.acceptVisitor(CastExpression.java:55)
at com.strobel.decompiler.languages.java.ast.DepthFirstAstVisitor.visitChildren(DepthFirstAstVisitor.java:41)
at com.strobel.decompiler.languages.java.ast.DepthFirstAstVisitor.visitInvocationExpression(DepthFirstAstVisitor.java:59)
at com.strobel.decompiler.languages.java.ast.InvocationExpression.acceptVisitor(InvocationExpression.java:78)
at com.strobel.decompiler.languages.java.ast.DepthFirstAstVisitor.visitChildren(DepthFirstAstVisitor.java:41)
at com.strobel.decompiler.languages.java.ast.DepthFirstAstVisitor.visitExpressionStatement(DepthFirstAstVisitor.java:109)
at com.strobel.decompiler.languages.java.ast.ExpressionStatement.acceptVisitor(ExpressionStatement.java:47)
at com.strobel.decompiler.languages.java.ast.DepthFirstAstVisitor.visitChildren(DepthFirstAstVisitor.java:41)
at com.strobel.decompiler.languages.java.ast.DepthFirstAstVisitor.visitBlockStatement(DepthFirstAstVisitor.java:104)
at com.strobel.decompiler.languages.java.ast.BlockStatement.acceptVisitor(BlockStatement.java:72)
at com.strobel.decompiler.languages.java.ast.DepthFirstAstVisitor.visitChildren(DepthFirstAstVisitor.java:41)
at com.strobel.decompiler.languages.java.ast.DepthFirstAstVisitor.visitIfElseStatement(DepthFirstAstVisitor.java:134)
at com.strobel.decompiler.languages.java.ast.IfElseStatement.acceptVisitor(IfElseStatement.java:83)
at com.strobel.decompiler.languages.java.ast.DepthFirstAstVisitor.visitChildren(DepthFirstAstVisitor.java:41)
at com.strobel.decompiler.languages.java.ast.DepthFirstAstVisitor.visitBlockStatement(DepthFirstAstVisitor.java:104)
at com.strobel.decompiler.languages.java.ast.BlockStatement.acceptVisitor(BlockStatement.java:72)
at com.strobel.decompiler.languages.java.ast.DepthFirstAstVisitor.visitChildren(DepthFirstAstVisitor.java:41)
at com.strobel.decompiler.languages.java.ast.DepthFirstAstVisitor.visitTryCatchStatement(DepthFirstAstVisitor.java:394)
at com.strobel.decompiler.languages.java.ast.TryCatchStatement.acceptVisitor(TryCatchStatement.java:73)
at com.strobel.decompiler.languages.java.ast.DepthFirstAstVisitor.visitChildren(DepthFirstAstVisitor.java:41)
at com.strobel.decompiler.languages.java.ast.DepthFirstAstVisitor.visitBlockStatement(DepthFirstAstVisitor.java:104)
at com.strobel.decompiler.languages.java.ast.BlockStatement.acceptVisitor(BlockStatement.java:72)
at com.strobel.decompiler.languages.java.ast.DepthFirstAstVisitor.visitChildren(DepthFirstAstVisitor.java:41)
at com.strobel.decompiler.languages.java.ast.DepthFirstAstVisitor.visitMethodDeclaration(DepthFirstAstVisitor.java:214)
at com.strobel.decompiler.languages.java.ast.ContextTrackingVisitor.visitMethodDeclaration(ContextTrackingVisitor.java:64)
at com.strobel.decompiler.languages.java.ast.ContextTrackingVisitor.visitMethodDeclaration(ContextTrackingVisitor.java:28)
at com.strobel.decompiler.languages.java.ast.MethodDeclaration.acceptVisitor(MethodDeclaration.java:85)
at com.strobel.decompiler.languages.java.ast.DepthFirstAstVisitor.visitChildren(DepthFirstAstVisitor.java:41)
at com.strobel.decompiler.languages.java.ast.DepthFirstAstVisitor.visitTypeDeclaration(DepthFirstAstVisitor.java:244)
at com.strobel.decompiler.languages.java.ast.ContextTrackingVisitor.visitTypeDeclaration(ContextTrackingVisitor.java:52)
at com.strobel.decompiler.languages.java.ast.ContextTrackingVisitor.visitTypeDeclaration(ContextTrackingVisitor.java:28)
at com.strobel.decompiler.languages.java.ast.TypeDeclaration.acceptVisitor(TypeDeclaration.java:90)
at com.strobel.decompiler.languages.java.ast.DepthFirstAstVisitor.visitChildren(DepthFirstAstVisitor.java:41)
at com.strobel.decompiler.languages.java.ast.DepthFirstAstVisitor.visitCompilationUnit(DepthFirstAstVisitor.java:249)
at com.strobel.decompiler.languages.java.ast.CompilationUnit.acceptVisitor(CompilationUnit.java:81)
at com.strobel.decompiler.languages.java.ast.ContextTrackingVisitor.run(ContextTrackingVisitor.java:84)
at com.strobel.decompiler.languages.java.ast.transforms.RemoveRedundantCastsTransform.run(RemoveRedundantCastsTransform.java:43)
at com.strobel.decompiler.languages.java.ast.transforms.TransformationPipeline.runTransformationsUntil(TransformationPipeline.java:93)
at com.strobel.decompiler.languages.java.ast.AstBuilder.runTransformations(AstBuilder.java:119)
at com.strobel.decompiler.languages.java.JavaLanguage.runTransforms(JavaLanguage.java:97)
at com.strobel.decompiler.languages.java.JavaLanguage.buildAst(JavaLanguage.java:72)
at com.strobel.decompiler.languages.java.JavaLanguage.decompileType(JavaLanguage.java:59)
at us.deathmarine.luyten.FileSaver.doSaveJarDecompiled(FileSaver.java:192)
at us.deathmarine.luyten.FileSaver.access$300(FileSaver.java:45)
at us.deathmarine.luyten.FileSaver$4.run(FileSaver.java:112)
at java.lang.Thread.run(Unknown Source)