Invalid type argument of '- '

- Invalid type argument of unary '*' have int ')
- Invalid type argument of unary
- Invalid type argument of unary '*' have double ')
- Invalid type argument of unary ‘*’ (have ‘float’)
- Invalid type argument of have int ')
- Invalid type argument of unary '*' have int ') c++
- Invalid type argument of unary '*' have char ')
- Invalid type argument of unary '*' have unsigned int ')
- Invalid type argument of unary '*' have long unsigned int ')
- Invalid type argument of - have struct
- Invalid type argument of unary '*' have bool ')
- Invalid type argument of unary '*' have long int ')
- Invalid type argument of have tim_handletypedef ')
- Error invalid type argument of
- Error invalid type argument of unary * have double