TypeError: call_user_func(): Argument #1 ($callback) must be a valid callback, non-static method CRM_Case_Page_AJAX::addClient() cannot be called statically #24843
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Overview
Make static function static
Before
TypeError: call_user_func(): Argument #1 ($callback) must be a valid callback, non-static method CRM_Case_Page_AJAX::addClient() cannot be called statically
After
Technical Details
Comments