The script should work fine in P8 if you previously had no problems.  However, the script did need editing when P7 was introduced; the python script interpretation in the app failed to recognize "Col." and could not implement the script correctly.  The workaround, change every instance of "Col." to "Column".  For current script dedicated to V4, editing the script will make it compatible to M4.  The link below leads directly to the forum where you can find more detailed information:

http://www.physicalc-software.com/forum/