Symptoms
The following warning is appearing in the console:
warning CS0219: The variable `___' is assigned but its value is never
used
Cause
The CS0219 warning is presented when a local variable (created within a method) is assigned with a value but the value is not used in any of the scripts in the project.
Here is how the error appears in this example:
warning CS0219: The variable `___' is assigned but its value is never
used
Resolution
The error CS0219 is resolved by using the variable in the script or by deleting it entirely.
More Information
https://msdn.microsoft.com/en-us/library/4kycwe2x(v=vs.90).aspx