Critical error 3.5.3 update

Dear @wikis,

Thank you for the topic.

I am sorry about the issue you are experiencing.
We have checked the case with the latest version of the plugin and didn’t notice a similar issue on our end.

Please provide us with the error.log so that we can understand at which line the error occurs to solve the problem as soon as possible.

Also, please provide us with the following information.

1. The WordPress version you are using.
2. The PHP version you are using.

Looking forward to your reply.

Thank you.

Dear @liuhongxin1993,

Thank you for your reply.

We have tested the plugin with your mentioned versions and noticed that there are no problems found on our end.

Please provide us with the following information for further investigation of your case. 

1. Please clarify what problem exactly you are facing by providing us with screenshots.
2. Besides this, please provide us with the error.log file of that site accordingly. 
If you don’t know how to find this file, please get in touch with your Hosting Provider so they can send it to you. 
3. The link, where the copy protection is enabled. 

By the way, please feel free to open a new topic each time you have new questions so that the information can be accessible to other users as well.

Thank you.

Dear @wikis,

Thank you for your reply.

Glad to hear that everything works fine for you now.
Enjoy the plugin, and, in the meantime, feel free to open a new topic in case of any new questions.

Thank you.