Fatal error: Uncaught Error: Interface "Grasmash\Expander\StringifierInterface" not found in C:\Apache24\htdocs\cms_upgrade\vendor\grasmash\expander\src\Stringifier.php:9
Stack trace:
#0 {main}
thrown in C:\Apache24\htdocs\cms_upgrade\vendor\grasmash\expander\src\Stringifier.php on line 9