This may be because your server's retention settings are incorrect. Here's a guide for server admins on how to make sure the settings are correct:

️ https://fedi.tips/mastodon-admins-leave-the-content-cache-retention-period-blank

TL:DR - The "Remote content retention period" setting must be kept totally blank.

If you're not the server admin but have noticed stuff disappearing, try messaging your admin to ask about their settings.

#MastoAdmin #Mastodon