All of a sudden I am getting jsonfileobjectstorage.php on line 0

[Slayer]

I am getting this error in my admin area
warning: invalid argument supplied for foreach() in /usr/local/cwpsrv/htdocs/resources/admin/include/common/jsonfileobjectstorage.php on line 0

What should be the problem?

[Sandeep]

try to update your CWP.