I have been getting these lately. I recompile it again without changing any code, and everything is fine. Quick build is disabled.
Building Engine Compiling:Engine.bmx flat assembler version 1.66 5 passes, 0.7 seconds, 784030 bytes. Linking:Engine.exe Executing:Engine.exe bad refs:obj=$11bbdd50 refs=$0 clrMemBit error: membit not set Process complete