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Compiler Error C2002

invalid wide-character constant

The multibyte-character constant is not valid.

To fix by checking the following possible causes

  1. The wide-character constant contains more bytes than expected.

  2. The standard header STDDEF.h is not included.

  3. Wide characters cannot be concatenated with ordinary string literals.

  4. A wide-character constant must be preceded by the character 'L':

  5. For Microsoft C++, the text arguments of a preprocessor directive must be ASCII. For example, the directive, #pragma message(L"string"), is not valid.