Tag: C# Compiler Errors

C# Error CS1688 – Cannot convert anonymous method block without a parameter list to delegate type ‘{0}’ because it has one or more out parameters

C# Error CS1725 – Friend assembly reference ‘{0}’ is invalid. InternalsVisibleTo declarations cannot have a version, culture, public key token, or processor architecture specified.

C# Error CS1997 – Since ‘{0}’ is an async method that returns ‘Task’, a return keyword must not be followed by an object expression. Did you intend to return ‘Task‘?

C# Error CS0198 – Fields of static readonly field ‘name’ cannot be assigned to

C# Error CS0128 – A local variable named ‘variable’ is already defined in this scope

C# Error CS1065 – Default values are not valid in this context.

C# Error CS0756 – A partial method may not have multiple defining declarations

C# Error CS1947 – Range variable ‘{0}’ cannot be assigned to — it is read only

C# Error CS0276 – ‘property/indexer’: accessibility modifiers on accessors may only be used if the property or indexer has both a get and a set accessor

C# Error CS0249 – Do not override object.Finalize. Instead, provide a destructor

C# Error CS8162 – Members of readonly field ‘{0}’ cannot be returned by writable reference

C# Error CS0754 – A partial method may not explicitly implement an interface method

C# Error CS0590 – User-defined operators cannot return void

C# Error CS0106 – The modifier ‘modifier’ is not valid for this item

C# Error CS0582 – The Conditional attribute is not valid on interface members

C# Error CS0757 – A partial method may not have multiple implementing declarations

C# Error CS0747 – Invalid initializer member declarator

C# Compiler Error Codes CS3001 to CS4000

C# Error CS0722 – ‘{0}’: static types cannot be used as return types

C# Error CS0177 – The out parameter ‘parameter’ must be assigned to before control leaves the current method