Slither Diagnositcs

One or more driver errors have occored. Please review the following driver messages for a brief explanation. For more information, please look in the dirver log file for a trace of event sleading to this error.
 
Error Fatal project execution error.
Explanation Project 'InterActives' experienced errors during execution.
Traceback 
   File "Driver.py", line 139, in process
    output = project_profile['project'].run()
   File "Project.py", line 440, in run
    out = self.render()
   File "./WebTools.py", line 112, in render
    FATAL_EXCEPTION_EMAIL%( data )
   File "/home/webtools/EasyHost-CA/WebTools_bundle/hwmodules/mail/Mail.py", line 464, in sendMail
    self.writeLog( UNK_ERROR + " One or more fatal errors blocked sending of any e-mail with message >>>>\n" + str(message) + "\n<<<<" )
   File "/home/webtools/EasyHost-CA/WebTools_bundle/hwmodules/mail/Mail.py", line 975, in writeLog
    except error :
NameError: global name 'error' is not defined