It appears that the answer to this problem is to do the recompile all, get the compiletime error, then run the program, get the runtime error, then exit the program and do the recompile all again. That seems to work, though I'm not really sure why.

>>The projects point at the same include files. Some of these defines would not be needed in VFP8, but that shouldn't matter. I also have some include files using GetString, but I think that's in the one CodeBook project I have (and the one I'm compiling is not the CodeBook project, though that project is the other VFP 8 project I still have). Are you using CodeBook or Mere Mortals?
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>No, I do not use them, though some of their packages/files are on my PC.