Tag: C# Compiler Errors

C# Error CS8151 – The return expression must be of type ‘{0}’ because this method returns by reference

C# Error CS0275 – ‘accessor’: accessibility modifiers may not be used on accessors in an interface

C# Error CS0694 – Type parameter ‘{0}’ has the same name as the containing type, or method

C# Error CS0153 – A goto case is only valid inside a switch statement

C# Error CS0163 – Control cannot fall through from one case label (‘label’) to another

C# Error CS0685 – Conditional member ‘{0}’ cannot have an out parameter

C# Error CS0839 – Argument missing

C# Error CS8139 – ‘{0}’: cannot change tuple element names when overriding inherited member ‘{1}’

C# Error CS0729 – Type ‘{0}’ is defined in this assembly, but a type forwarder is specified for it

C# Error CS0637 – The FieldOffset attribute is not allowed on static or const fields

C# Error CS1513 – } expected

C# Error CS0236 – A field initializer cannot reference the non-static field, method, or property ‘name’

C# Error CS2034 – A /reference option that declares an extern alias can only have one filename. To specify multiple aliases or filenames, use multiple /reference options.

C# Error CS0686 – Accessor ‘{0}’ cannot implement interface member ‘{1}’ for type ‘{2}’. Use an explicit interface implementation.

C# Error CS0173 – Type of conditional expression cannot be determined because there is no implicit conversion between ‘class1’ and ‘class2’

C# Error CS1656 – Cannot assign to ‘{0}’ because it is a ‘{1}’

C# Error CS1651 – Fields of static readonly field ‘{0}’ cannot be used as a ref or out value (except in a static constructor)

C# Error CS0825 – The contextual keyword ‘var’ may only appear within a local variable declaration or in script code

C# Error CS0682 – ‘{0}’ cannot implement ‘{1}’ because it is not supported by the language

C# Compiler Error Codes CS9001 to CS9100