Various factors could lead to operational problems for Crunchyroll. Server outages, sluggish or unpredictable internet connections, or bugs with the apps themselves are frequent culprits. Next, delete any cache associated with the app or upgrade it to the most recent version, as updates frequently include issue fixes.
If the issue continues, you can contact Crunchyroll customer service for more help fixing it and resuming your anime streaming experience. Check Crunchyroll's status page for details on ongoing service outages.