If you are unable to register a post, the cause may vary depending on the error message displayed.
If 'This player cannot be registered' is displayed
If your account is currently under penalty due to a violation of the Duo service policy, you will see an error message, and be restricted from posting.
If you want to know the details and duration of the penalty, please submit an inquiry with the account information for further assistance.
If 'Summoner/Player not found.' is displayed
When registering a post in DUO, various match histories are displayed based on OP.GG service data. If a summoner or player cannot be found on OP.GG, posting in DUO may be restricted.
Please ensure that the summoner or player can be successfully searched on OP.GG. If the issue persists, please contact us via 1:1 inquiry with the account details, and we will assist you further.