Fatal error: Uncaught TypeError: mb_substr(): Argument #1 ($string) must be of type string, Strings given in /www/htdocs/w020e401/partymat/vdetail.php:124
Stack trace:
#0 /www/htdocs/w020e401/partymat/vdetail.php(124): mb_substr(Object(Strings), -1)
#1 {main}
  thrown in /www/htdocs/w020e401/partymat/vdetail.php on line 124