404Handler
AAA Email Broken Links Script
AutoE-mail Webmaster Error Page w/ details
DEBUG_HELP.PHP
Dynamic Error Pages
Error List
Error Plus IP
errorBot
ErrorDude
ErrorHandler
GaMerZ error_log Cleaner
indigo 404
Interactive 404 page
phperror
phpErrorDoc
PHPMachine Error Handler
PHPmy404
PHPSiteMon
Simple Errors
validate string