[Error] 'searchByPosition' was not declared in this scope

This error message typically occurs when you try to use a function or variable that has not been defined or declared in the current scope.

To resolve this error, you need to make sure that the function or variable is declared or defined before it is used. Check whether you have misspelled the function or variable name, or whether it is in a different file or namespace.

If you are using a library or external code, make sure you have included the necessary header files and linked the required libraries correctly.

If you are still unable to resolve the error, provide more information about the code and context in which the error occurs, and seek help from online forums or programming communities.