Call to a member function LoadInfoByID on string

This error message means that you are trying to call the method "LoadInfoByID()" on a string variable. This method is likely defined in a class or object, but you are not using it correctly.

To fix this error, you need to make sure that you are calling the method on the correct object or instance of the class. Check your code and make sure that the variable you are calling the method on is an object that has the "LoadInfoByID()" method defined.

If you are still having trouble, try debugging your code by printing out the variable and checking its type and value. This can help you identify where the error is occurring and how to fix it