I'm trying to do Subtraction between two rasters. and I'm getting this error
000539 : Error message from Python.
Description The calculation used by the Calculate Field or Calculate Value tool is invalid. The error message provided will list the specific Python error.
Solution This error code covers a number of Python errors:
Example error 1: exceptions.TypeError: cannot concatenate 'str' and 'int' objects. The above is a Python-specific error. The calculation is attempting to add or concatenate a string and a number.
Example error 2: Invalid field shape@distance The above is an error using the geometry object. The distance method is not a valid method of the geometry object.
For specific Python issues, consult the external Python help for the version of Python you are using, or consult the Calculate Field or Calculate Value help for more information on these tools.
I could really use some more explanation..