Soure code build failed Engine\Source\Runtime\OpenGLDrv\Private\OpenGLCommands.cpp(2794):error c2005:"bAttributeLessDraw"

[Anonymous_c0b2ef1d8b6296d661f82020eeaf73de (YivanLee)]

This error nearly drive me crazy！I really don’t know how to solve this problem

。my window version is Windows7 and my Vs version is vs2015 。Please help me！