PvP don't seem to work for me (Need help ASAP)

i got an issue with turning PvP back on. i tried to enable it on all claim plugins we have but it still don’t work i tried even to turn it back on in the sponge configs and inside server.properties file and nothing works

the plugins we use:

claiming plugins:
GriefDefender and RedProtect

we have an sponge pixelmon reforged server

P.S: i disabled it myself but now i can’t remember how i did it and i tried all options i could think of to enable it again