In order to clear the error to a program when changes are not allowed, you must close the previous execution of the program and then attempt to re-run it.
Code refactoring can be defined as a process that typically involves changing (modifying) a program's internal structure without causing any changes to the way and manner in which the program works.
In some instances, some changes done to a program causes an exception and it makes the program inexecutable. Thus, the end user would get an error message stating that changes are not allowed.
In order to clear the error to a program when changes are not allowed, the end user must close the previous execution of the program and then attempt to re-run it.
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