TypeError: call_user_func(): Argument #1 ($callback) must be a valid callback, non-static method CRM_Case_Page_AJAX::addClient() cannot be called statically

[demeritcowboy]

Overview

Make static function static

Before

1. Administer - civicase settings - allow multiple clients
2. Add a case client to an existing case using the little icon next to the case client name.
3. Spinner just spins.
4. 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

[civibot]

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[eileenmcnaughton]

Wow - that survived a long time

[demeritcowboy]

It might not be a very commonly used feature. And it only fails hard in php 8.