I'm getting an error from Apple, can you help me please?

ITMS-91065: Missing signature - Your app includes “Frameworks/SocialLoginPlugin.framework/SocialLoginPlugin”, which includes GTMSessionFetcher, an SDK that was identified in the documentation as a commonly used third-party SDK. If a new app includes a commonly used third-party SDK, or an app update adds a new commonly used third-party SDK, the SDK must include a signature file.