The parameter "user_uuid" is not a valid UUID! in /www/htdocs/admlogin/playground/system/bootstrap/function.php, in line 431
Stacktrace:
#0 /www/htdocs/admlogin/playground/modules/events/events_function.php(47): admFuncVariableIsValid(Array, 'user_uuid', 'uuid', Array)
#1 {main}