Error encountered; please report this error to a wizard.

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

VerbLoc:VerbProgrammerThisPlayerLine
#52:description2html #7407#52#74517
#1628:www_description #833#2433#74514
#2:tell_www_body #60#2433#74512
#5:tell_www_body #60#2433#74511
#2:tell_www_page #789#2433#745113
#2259:tell_www_page #60#2433#74514
#80:serve_page #789#80#745142
#81:do_GET #55#7451#745112
#81:do_null_command #55#7451#74519
#80:do_null_command #789#80#74511

You can cut-and-paste the following:

#52:description2html (this == #52), line 7: Type mismatch
... called from #1628:www_description (this == #2433), line 4
... called from #2:tell_www_body (this == #2433), line 2
... called from #5:tell_www_body (this == #2433), line 1
... called from #2:tell_www_page (this == #2433), line 13
... called from #2259:tell_www_page (this == #2433), line 4
... called from #80:serve_page (this == #80), line 42
... called from #81:do_GET (this == #7451), line 12
... called from #81:do_null_command (this == #7451), line 9
... called from #80:do_null_command (this == #80), line 1
(end of traceback)