Tag: C# Compiler Errors

C# Error CS0646 – Cannot specify the DefaultMember attribute on a type containing an indexer

C# Error CS0185 – ‘type’ is not a reference type as required by the lock statement

C# Error CS8803 – Top-level statements must precede namespace and type declarations.

C# Error CS0264 – Partial declarations of ‘type’ must have the same type parameter names in the same order

C# Error CS0531 – ‘member’ : interface members cannot have a definition

C# Error CS0854 – An expression tree may not contain a call or invocation that uses optional arguments

C# Error CS0819 – Implicitly-typed variables cannot have multiple declarators

C# Error CS1503 – Argument {0}: cannot convert from ‘{1}’ to ‘{2}’

C# Error CS0846 – A nested array initializer is expected

C# Error CS1640 – foreach statement cannot operate on variables of type ‘{0}’ because it implements multiple instantiations of ‘{1}’; try casting to a specific interface instantiation

C# Error CS0841 – Cannot use local variable ‘{0}’ before it is declared

C# Error CS0591 – Invalid value for argument to ‘{0}’ attribute

C# Error CS0844 – Cannot use local variable ‘{0}’ before it is declared. The declaration of the local variable hides the field ‘{1}’.

C# Error CS8333 – Cannot return {0} ‘{1}’ by writable reference because it is a readonly variable

C# Error CS0138 – A using namespace directive can only be applied to namespaces

C# Error CS1576 – The line number specified for #line directive is missing or invalid

C# Error CS4008 – Cannot await ‘void’

C# Error CS0159 – No such label ‘label’ within the scope of the goto statement

C# Error CS1996 – Cannot await in the body of a lock statement

C# Error CS8176 – Iterators cannot have by-reference locals