The Custom Error plugin for Movable Type and Melody installs a global system template called "Custom System Error" which provides admins with the ability to override the default system error template generated by, well, the system. Duh.
To install this plugin follow the instructions found here:
To use the plugin, simply install it and run the upgrade process you are prompted with. This will automatically install the error template you can customize.
Inside the error template, this plugin gives you access to a number of parameters which might be of use to you. All of these paramters can be accessed like any other template variable. For example:
error- the error message generated by the system
app_class- the class of the calling application. Values can be:
debug_mode- a boolean value which is true if debug mode is currently enabled
If you have problems using this plugin or need assistance, please visit Endevver's support web site:
Movable Type versions: 4.3