AI.lua error when summoning scroll

[PcNy]

I got this kind of error when summon scroll or calling mercenary

followed by this 

How can I fix this? Thank you.

 

[Dastgir]

I got this kind of error when summon scroll or calling mercenary

followed by this 

How can I fix this? Thank you.

The first error, explains it's solution too.

you don't have ./AI/Const.lua

So update your AI folder.

I guess updating your AI folder will solve both problems.