[Beta] Database won't display after updating

Sync error: 1023511455

Database error: 323927012

Tree view error: 1348339247

After the most recent beta update, I started to rearrange the tree view columns to restore my previous layout. I also tried out the new secondary sort feature.

After a few minutes, the tree view stopped displaying and reported "An error has occurred, please restart Firefox." I restarted Firefox a few times and the same error pops up each time (after a minute or two of [Not responding] hanging on Firefox start up).
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