Ojs 3.2.1 Plugin update issue

Greetings,
I have today updated from OJS 3.2.03 to OJS 3.2.1
When I tried to install plugins in Plugin galley, it was showing can be updated. But on updating it turns out as “Null” in notification.
Any solution for that.

Best Regards
Bilal

The same issue here: Plugin Issue After upgradation of 3.2.03 to 3.2.1.0

Solved
Please visit the link for changing code


Thanks asmecher