[DPUL Collections/production] FunctionClauseError: no function clause matching in DpulCollections.Solr.related_items/4

[honeybadger]

Summary or User Story

Focusing a browsed item shouldn't throw an error. We're seeing this every week in stampede.

Acceptance Criteria

• We don't see this error anymore.

First step

Look at the backtrace.

URL

https://digital-collections.princeton.edu/browse/focus/5277ab43-a95e-4fca-8c91-7a5a62e67aa2

Backtrace

View full backtrace and more info at honeybadger.io