TypeError: mktime(): Argument #3 ($second) must be of type ?int, string given in mktime() (row 662 of **/sites/all/modules/simple_reservation/simplereservation.module).
Add reservation
PHP updated to 8.1
Needs work
1.0
Code
I think the first step here is to migrate this project to Drupal10
Trying to maintain a Drupal7 project at this point is malpractice.