Fspackagetool.exe not working

I’m having trouble with the fspackagetool.exe program that just started since the latest patch to Update 9 (1.25.9.0). It now no longer works at all and gives me an error: “Provided project definition file does not exist.” It also tries to launch MSFS with the new splash screen. I can no longer use the program to build a new package and instead have to open MSFS which is very time consuming.

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You can have a space in your dir projects dir structure/file names
The space can be also before your project folder (in the full path)
You must remove any spaces,that the fspackagetool will do its job

No way at the moment to stop the splash screen, but won’t cause any issue (just close the error)

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Fully agree on this, when MSFS is showing the splash screen the fspackage.exe tool doesn’t like spaces in dir and file names

This must be a fairly new requirement to not have spaces in your file directory structure and file names because I have been using “D:/MSFS Projects/” as my parent directory for some time (notice the space in the name) and did not have any trouble until the patch to Update 9 (1.25.9.0). By renaming my project directory (aka folder) without the space I was able to get things working again. Fortunately I didn’t have any spaces in any other file or folder names. Thanks for your help.