Script Compiling Error

Hey guys, I always get script compiling errors when trying to install a mod. I have uninstalled the game and installed it again and I still get compiling errors. Someone know how to fix it ? I have the GOG version of the game.

Error [content0]game\gameplay\effects\effecttypes.ws(10): Structure 'SCustomEffectParams' already defined. Error [content0]game\gameplay\effects\effecttypes.ws(26): Structure 'SCurrentBuffFX' already defined. Error [content0]game\gameplay\effects\effecttypes.ws(38): Structure 'SEffectInitInfo' already defined. Error [content0]game\gameplay\effects\effecttypes.ws(57): Structure 'SEffectInfo' already defined. Error [content0]game\gameplay\effects\effecttypes.ws(71): Structure 'SEffectCachedDamage' already defined. Error [content0]game\gameplay\effects\effecttypes.ws(85): Structure 'SDoTDamage' already defined. Error [content0]game\gameplay\effects\effecttypes.ws(94): Structure 'SEffectIconType' already defined. Error [content0]game\gameplay\effects\effecttypes.ws(282): Structure 'CBuffImmunity' was already exported. Error [content0]game\gameplay\effects\effecttypes.ws(298): Structure 'SApplicatorSpawnEffect' already defined. Error [content0]game\gameplay\effects\effecttypes.ws(306): Structure 'SPausedAutoEffect' already defined. Error [content0]game\gameplay\effects\effecttypes.ws(316): Structure 'STemporarilyPausedEffect' already defined. Error [content0]game\gameplay\effects\effecttypes.ws(326): Structure 'SBuffPauseLock' already defined. Error [content0]game\gameplay\effects\effecttypes.ws(641): Structure 'SBuffImmunity' already defined. Error [content0]game\gameplay\effects\effecttypes.ws(101): Enum 'EEffectInteract' already defined. Error [content0]game\gameplay\effects\effecttypes.ws(114): Enum 'EEffectType' already defined. Error [content0]game\gameplay\effects\effecttypes.ws(634): Enum 'ECriticalHandling' already defined. Error [content0]game\gameplay\effects\effecttypes.ws(7): Class 'W3BuffCustomParams' already defined. Error [content0]game\gameplay\effects\effecttypes.ws(32): Class 'W3PotionParams' already defined.

Those are the errors I am getting

submitted by Khoalition
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Script Compiling Error