[HELP] Weapon Error

Could someone please help me with this error. I added a weapon from an old source the AK-74M Elite Gun. When I go to shoot it it says that I am cheating. I am using the Untouched ISS source. I made sure to add everything into my ItemsDB and to my SQL. It shows up in my inventory and i can buy it buy when I shoot it in game it kicks me from the game. Any help would be appreciated.
Any help or advise would be appreciated. thanks


000219.869| !!! cheat: peer00, r:!localId itemid: 101081, CID:1000000 [Anarchy77],
000219.869| !!! cheat: peer00, r:hitcountMelee PKT_C2C_PlayerHitDynamic_s, CID:1000000 [Anarchy77],