C# Compiler Errors

C# Error CS0748 – Inconsistent lambda parameter usage; parameter types must be all explicit or all implicit Reason for the...

C# Compiler Error CS0144 – Cannot create an instance of the abstract class or interface ‘interface’ Reason for the Error...

C# Compiler Error CS0543 – ‘enumeration’ : the enumerator value is too large to fit in its type Reason for...

C# Error CS1913 – Member ‘{0}’ cannot be initialized. It is not a field or property. Reason for the Error...

C# Error CS2013 – Invalid image base number ‘{0}’ Reason for the Error & Solution Invalid image base number ‘value’...

C# Error CS0590 – User-defined operators cannot return void Reason for the Error & Solution User-defined operators cannot return void...

C# Error CS1534 – Overloaded binary operator ‘{0}’ takes two parameters Reason for the Error & Solution Overloaded binary operator...

C# Error CS0687 – The namespace alias qualifier ‘::’ always resolves to a type or namespace so is illegal here....

C# Error CS1681 – You cannot redefine the global extern alias Reason for the Error & Solution You cannot redefine...

C# Error CS0625 – ‘{0}’: instance field in types marked with StructLayout(LayoutKind.Explicit) must have a FieldOffset attribute Reason for the...

C# Error CS1611 – The params parameter cannot be declared as {0} Reason for the Error & Solution The params...

C# Error CS1934 – Could not find an implementation of the query pattern for source type ‘{0}’. ‘{1}’ not found....

C# Error CS1547 – Keyword ‘void’ cannot be used in this context Reason for the Error & Solution Keyword ‘void’...

C# Error CS4013 – Instance of type ‘{0}’ cannot be used inside a nested function, query expression, iterator block or...

C# Error CS1948 – The range variable ‘{0}’ cannot have the same name as a method type parameter Reason for...

C# Error CS1983 – The return type of an async method must be void, Task, Task, a task-like type, IAsyncEnumerable,...

C# Error CS1649 – Members of readonly field ‘{0}’ cannot be used as a ref or out value (except in...

C# Error CS1519 – Invalid token ‘{0}’ in class, record, struct, or interface member declaration Reason for the Error &...

C# Error CS1622 – Cannot return a value from an iterator. Use the yield return statement to return a value,...

In this post, you’ll learn all the C# compiler error and warnings from the code CS7001 to CS8000. C# Compiler...