Warhol

Invalid must-match selector

• Full report name: Invalid must-match selector
• Status: ERROR
• Summary: A selector in a must-match or must-not-match directive is not a valid CSS selector
• How to fix: fix or remove the invalid selector in the directive

A selector in a must-match or a must-not-match directive is not a valid CSS selector. You have to fix or remove the invalid selector in the directive's value to get the directive to work properly.