Error fetching Seasons

[virdb]

Issue description

Just upgraded to 1.9.2, but was the same on 1.9.1. Added new tv show, an "internal Server error occurred" message appears. Season 1 and Season 4 weren't fetched. Many errors are displayed in the (JS) Console (see attachment) 1596786926556.log

Steps to Reproduce

1. Set the TheMovieDB API language to it-IT
2. Add the show "Dr. House - Medical Division"
3. Fetch all Seasons

Expected Behaviour

Every Seasons should be fetched

Actual Behaviour

Season 1 and 4 are not fetched

Environment Information

• Operating System: Debian GNU/Linux 9
• Streama version: 1.9.2
• Custom streama build, describe customizations or provide link to fork (If Applicable): TODO
• Container Version (If Applicable): TODO

[virdb]

I have reason to think the the main issue is the plot text too big to be stored in the database field. Adding manually the seasons and the episodes, i noticed that some episodes won't save until I short the plot text.