If you are met with an error message saying “OnCreateItemCompleted: failed! Please accept Steam Workshop legal agreement first! ” or something similar when you try to upload your creation to the Steam Workshop, it means you need to agree to the Steam Subscriber Agreement – even if you’ve done so in the past.
You can find the Steam Subscriber Agreement found here, or the Steam Workshop Legal Agreement found here. Once you’ve done so, you should be able to use the Steam Workshop in Trailmakers again. If for any reason you continue to have problems using the Steam Workshop, please don’t hesitate to contact us again!
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