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Error message while trying to upload a scenario on the workshop
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I tried to publish a mission on the workshop, but I get an error message saying "Process failed: Incorrect parameter".
Thus, I can't publish it. I tried to look on Internet, but I haven't found anything related to this error message and with a potential answer. I don't know what causes this and how I can fix it.
I however managed to upload other older scenarios.


Operating System
Windows 10 x64
Error Message
Steps To Reproduce

I can send the mission file if needed.

Additional Information

The mission itself is quite big, as it has a lot of objects in it. Its weight might be around 130 MO without the personnalised music files (450 with).

Event Timeline

did you check logs from A3 publisher yet?

C:\Program Files (x86)\Steam\steamapps\common\Arma 3 Tools\Logs

WWThomahawkWW added a comment.EditedMar 19 2022, 4:34 PM

I usually use the in-game publisher as my mission is simple/alone, and the A3 publisher from Arma Tools is apparently used for campaign and addons.
I have checked the logs but I haven't found any solutions related.

Edit: I don't why, but I finally managed to upload it on the workshop...
I just compressed the audio files so the total weight is reduced to 250 MO, and it worked.
It seems that it was indeed caused by the global weight.

Thank you anyway for your help and your time!

dedmen changed the task status from New to Assigned.Mar 21 2022, 9:02 AM
dedmen claimed this task.
dedmen added a subscriber: dedmen.

so the total weight is reduced to 250 MO

That is really large!
Steam mission uploading has a size limit, but Arma already checks that you have enough size available and will tell you before trying to upload.


Defines the largest allowed file size for the Steam Cloud.
Cloud files cannot be written in a single chunk over 100MiB and cannot be over 200MiB total.

The maximum allowed size is 200 MiB. We don't check that, we should check and notify you if its too large.

dedmen set Ref Ticket to AIII-55032.Mar 21 2022, 9:02 AM

Okey I just tested it, even with Valves "200 MiB" limit, I can still upload 800MiB large mission files if they compress very well.
And if I fill them with uncompressible data, the limit seems to be around 400MiB.

dedmen changed the task status from Assigned to Feedback.Mar 21 2022, 12:35 PM

Added a error message that tells when too large for 2.10

That is really kind, thank you very much dedmen! I'm sure this new error message will be useful for people like me who are too greedy in the editor haha.
I really appreciate your feedback on this subject, as I didn't knew about those limits. I'm now happy to be aware of that, as it was frustrating.
Thank you again!