In error logs i found this row 1000times
mywebsite.sk [Fri Feb 12 07:39:54.103478 2016] [-:error] [pid 2133] [client 158.69.209.141:24692] PHP Warning: current() expects parameter 1 to be array, boolean given in /nfsmnt/hosting1_2/f/c/fc5ce6fc-8c35-404e-bdf0-76422c7883a0/mywebsite/web/wp-includes/plugin.php on line 523
