Fatal error: Uncaught TypeError: preg_match(): Argument #2 ($subject) must be of type string, array given in /in/hZmRT:2
Stack trace:
#0 /in/hZmRT(2): preg_match('/_(\\d{6})\\.txt/', Array)
#1 {main}
thrown in /in/hZmRT on line 2
Process exited with code 255.