failed to load `core.snap`

[dram]

Loading core.snap failed with following error:

#9 (<error>:1): x11Globals = ( | self* = <7>. delegatee = nil. selector = 'x11Globals'. | 
"undefined selector error;
this method was automatically generated by the VM."
 )


#10 (../objects/core/hosts.self:1097): graphicsSystemGlobals = ( | self* = <7>. |  
            x11Globals )


#11 (../objects/core/hosts.self:1417): setGraphicsDependentGlobals = ( | self* = <9>. mir <- <10> "nil". |  
            mir: (reflect: globals).
            "Use frozenDefine to keep module cache clean."
            [graphicsDependentGlobals]. "browsing"
            mir frozenDefine: (mir copyAt: 'graphicsDependentGlobals' 
                                PutContents:  reflect: osForThisHost graphicsSystemGlobals. ).
            self )