You say you were suspended, possibly your account got flagged. Maybe this mutation didn't correct itself completely after the suspension lifted; after uploading a map, the server should combine the data file with information about your account name. I can imagine that part not functioning if the services think your account was suspended, which could explain the publishing not going as planned.
Maybe you know someone else with the game? Have them sign in on your system & publish a map; if it works, the issue is not with your hardware/connection, but with your account.
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