Version Found: MIG 7 Series v4.0 (Rev. 4)
Version Resolved: See (Xilinx Answer 54025)
When using MIG 7 Series in Vivado 2017.2/2017.3 WebPack, the following errors are presented and the IP cannot be generated if using a Spartan-7 Device.
Windows 7 and/or Windows 10:
The work-around is to upgrade your installation to Design Edition or System Edition.
The issue will be resolved in a future release of Vivado.