Metadata extraction document view error

[txau]

Many suggestions toss this screen when trying to open the document viewer:

I am not sure what is the cause of this or how to replicate. It can be seen here:

https://right.staging.uwazi.io/en/settings/metadata_extraction/suggestions/68cd9eb07221a6d929820134 (hit "Open" on the first suggestion).

This could be related to recent changes in the viewer. It seems to be associated with the selection rectangles.