> For the complete documentation index, see [llms.txt](https://ipg.gatcg.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://ipg.gatcg.com/tournament-errors/major-tournament-errors.md).

# Major Tournament Errors

- [Outside Assistance](https://ipg.gatcg.com/tournament-errors/major-tournament-errors/outside-assistance.md)
- [Game/Match End Procedures Violation](https://ipg.gatcg.com/tournament-errors/major-tournament-errors/game-match-end-procedures-violation.md)
- [Decklist Issue](https://ipg.gatcg.com/tournament-errors/major-tournament-errors/decklist-issue.md)
- [Limited Procedure Error](https://ipg.gatcg.com/tournament-errors/major-tournament-errors/limited-procedure-error.md)
- [Marked Cards](https://ipg.gatcg.com/tournament-errors/major-tournament-errors/marked-cards.md)
- [Slow Play](https://ipg.gatcg.com/tournament-errors/major-tournament-errors/slow-play.md)