whenever i open a rule the application filter stuck on loading i restarted it but se ems weired to me.. any fix?\

Firmware version 17.0 have this signature but firmware version 18.5, 19.0, and 19.5 do not have this signature. Can anyone have firewall firmware version 19.5.1 and search in IPS policies have this signature and capture image reply me pls.. Thanks in…