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Error Call to Member Function get on null IV

Put a message in the error log when the resource has an invalid parent

Error Call to Member Function get on null III

More efficient code for the sanity check preventing the "Error call to member function get on null."

Error Call to Member Function get on null II

Preventing the "Error: Call to a member function get on null" with a sanity check.

Error call to member function get on null

What causes the "Call to a member function get() on null" error

When a Widget Crashes the Manager

What to do when a widget crashes the MODX Manager

Changing the Login Error Message

The best way to change the message users see after entering the wrong credentials during Login

Why Some Resources Can't Be Saved

A look at problems that can keep you from saving a resource

Permission Denied 403 (Access Forbidden)

Debugging an elusive 403 error for a single page

Fatal Error Cannot Redeclare Class

Fixing the "Cannot redeclare class" PHP error

Fatal Error Cannot Redeclare Function II

Putting our function inside a class to avoid collisions