Have you tried deleting the Release folder before you run miabuild? Are you running miabuild with the IDE closed? I'm just wondering if some file resource might not be locked somewhere. I know for certain that I've had the IDE open when I've used miabuild so I'm not sure what might be causing your issue.
I suppose the old chestnut "It works on my machine" does not help?
Peter. Smartly dressed, he still resembles an unmade bed.
InstallAware MVP
Make sure no other software on your system is accessing the MSI file at the time of build. The only cause of this error is being unable to get a write handle to the target MSI file.
Michael Nesmith
Install[b]Aware[/b]
[i]Home of The Next Generation MSI Installer[/i]
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Nothing is accessing the MSI file. There is no MSI file yet. It is a brand new build in a completely empty directory.
After playing around a bit more, the problem appears to be that the current directory MUST be the directory containing the mpr file. It fails if the directory is anywhere else. I didn't find this requirement in the documentation, but it is an easy enough thing to do.
Yes, I was specifying a full path to the mpr file. I tried both relative and absolute paths. If you do not specify the full path the error is "Project file not found".