The following message can be displayed if the objectLACSecurityBaseD365FO is not added to the source-control / repository.

It is not caused by a missing or wrong license file/code.

DLL files such as LACSecurityBaseD365FO.dll are not added automatically and users should add the LACSecurityBaseD365FO.dll to their source control.

This is similar to any other DLL files which are not automatically added to the source control.