Fatal error: Uncaught Error: Attempt to modify property "keys" on null in /in/rCOK0:3
Stack trace:
#0 {main}
thrown in /in/rCOK0 on line 3
Process exited with code 255.
Output for 7.4.0 - 7.4.33
Warning: Creating default object from empty value in /in/rCOK0 on line 3
a:1:{s:6:"unique";a:1:{s:6:"mobile";s:5:"hello";}}