I tried merged Bribe's Damage Engine and PDD but i get this error

[Asuna Tichondrius]

Greeting everyone i just try to merge Bribe's Engine (Legacy Version) on pastebin with looking_for_help's PDD i tried to copy the code from Cross-Compatibility but i get this error instead, i have no idea what should i do to this since i'm not jass learned. i just want to merge them for detecting normal attack, spell attack and code attack. . Really appreciate it your help, Thanks!

Spoiler: Error

 

[Uncle]

Error: "Function redeclared: GetUnitLife"

Which means that the function highlighted in your picture was declared more than once. You cannot have more than one of the same function, or more specifically, two or more functions with the same name. So delete one of them and see what happens.