Pokémon Sleep has confirmed a newly discovered title screen bug that causes Error Code -000015 to appear and prevents the game from progressing past startup. The issue surfaced shortly after the release of the latest update, with affected players reporting they are unable to enter the game normally. The development team has acknowledged the problem and is currently investigating a fix, though no timeline for a resolution has been announced yet. In the meantime, players are being advised to watch official support channels for updates as the developers work to restore normal access.
Source: Official Pokémon Sleep news
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