Cevaplanmadı Error source client

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Hello guys
I was trying to install the skills color system and everything is fine but there is an incomprehensible error while compiling the client source if anyone can help I will be grateful

The function referred to in the error I believe is in the file
ActorInstance.h

#ifdef ENABLE_SKILL_COLOR_SYSTEM
        DWORD AttachEffectByID(DWORD dwParentPartIndex, const char* c_pszBoneName, DWORD dwEffectID, const D3DXVECTOR3* c_pv3Position = NULL, float fParticleScale = 1.0f, const D3DXVECTOR3* c_pv3MeshScale = NULL, DWORD* dwSkillColor = NULL);
#else
        DWORD AttachEffectByID(DWORD dwParentPartIndex, const char* c_pszBoneName, DWORD dwEffectID, const D3DXVECTOR3* c_pv3Position = NULL, float fParticleScale = 1.0f, const D3DXVECTOR3* c_pv3MeshScale = NULL);
#endif