Problem publishing projects on GroupShare 2015

One of our customers cannot publish projects on GroupShare 2015. They receive the following error message : The Execution Server failed to publish the project: Unable to find an entry point named 'SetClrFeatureSwitchMap' in DLL 'SqlServerSpatial110.dll'.. Check the Execution Server log for more information. In the bottom of the following article has a link to another article, related to this error message, but it's no longer available: Has anyone encountered this problem?