Previous and Next in blacklight modal triggers an error

[christinach]

Expected behavior

When I click on Language facet and then on 'more', I'm able to navigate through the language results by clicking Next and Previous.

Actual behavior

When I click on Language facet and then on 'more', I'm able to navigate through the language results by clicking Next and Previous.

Steps to replicate

Go to https://catalog.princeton.edu/catalog?search_field=all_fields&q=dog
Click on 'Language' facet.
Click 'more' .
In the modal click 'Next'. Some times it will let you click more than once and then it will fail on 'Previous'. Other times it will fail the first time you click on 'Next'
The following error appears in the modal:

Impact of this bug

Users cannot use Previous and Next in the modal to navigate through the results.