Fatal error: Uncaught TypeError: strtotime(): Argument #2 ($baseTimestamp) must be of type ?int, string given in /in/m9mWF:3
Stack trace:
#0 /in/m9mWF(3): strtotime('+40 minutes', '2014-10-28 10:0...')
#1 {main}
thrown in /in/m9mWF on line 3
Process exited with code 255.