Error encountered; please report this error to a wizard.

Error was: E_TYPE (Type mismatch); value: 0

VerbLoc:VerbProgrammerThisPlayerLine
#52:description2html #7407#52#76157
#1628:www_description #833#1243#76154
#2:tell_www_body #60#1243#76152
#5:tell_www_body #60#1243#76151
#2:tell_www_page #789#1243#761513
#2259:tell_www_page #60#1243#76154
#80:serve_page #789#80#761542
#81:do_GET #55#7615#761512
#81:do_null_command #55#7615#76159
#80:do_null_command #789#80#76151

You can cut-and-paste the following:

#52:description2html (this == #52), line 7: Type mismatch
... called from #1628:www_description (this == #1243), line 4
... called from #2:tell_www_body (this == #1243), line 2
... called from #5:tell_www_body (this == #1243), line 1
... called from #2:tell_www_page (this == #1243), line 13
... called from #2259:tell_www_page (this == #1243), line 4
... called from #80:serve_page (this == #80), line 42
... called from #81:do_GET (this == #7615), line 12
... called from #81:do_null_command (this == #7615), line 9
... called from #80:do_null_command (this == #80), line 1
(end of traceback)