I can't equip vengeful gladiator sword in same time?

[Sleipnir 0]

I can't equip 2 vengeful sword in same time? here's a screenshot

 

[Mhalicot 392]

make sure you have left hand right hand mastery.. anyways moving your post outside the community since your post is in pure English..

[Sleipnir 0]

Sir Mhalicot. i have left and right hand mastery . bump

[Mhalicot 392]

Sir Mhalicot. i have left and right hand mastery . bump

Can you share your item script?