1. Open the \CA\NFA\Mysql\my.ini file in notepad.
2. Set the : max_allowed_packet size from 64M to 256M like below:
3. Recycle the CA Mysql Service, on the NFA Console and monitor for a re-occurrence of the issue.
4. If the problem does reoccur, there is an existing defect open with NFA Development which is pending a fix, please open a support case and reference Defect # DE343953.