Error received when loading mod

I received an error when loading a mod, it displays the following message:

Endernium (endernium) has encountered an error during the common_setup phase

Java.lang.Illegal.Access.Error: failed to access class

The following is the latest.log file and FML Crash file.

https://pastebin.com/M6TZyxZD - latest.log

https://pastebin.com/9EuWYzFp - FML Crash file

Is there a solution to this problem?