Workshop Upload Error Explainer

Turn opaque Workshop errors into a ranked checklist before you burn a day on paths.

Double-check title, description, tags, and preview assets in Steamworks before assuming the upload API is wrong. Builds: SteamPipe VDF builder for game uploads.

Maps common Workshop result families to concrete checks. Paste optional log lines for extra hints (local only).

  1. Mismatched item handle between create vs update flow.
  2. Required metadata field empty (title, description, visibility).
  3. Content folder path wrong or not readable from game process.
  4. Preview image path invalid or format rejected.
  5. UGC legal agreement not accepted for publishing account.
Generated Markdown
InvalidParam on update?
Often wrong PublishedFileId flow, empty required field, or bad content path from the game process.