Problem in opac-export.pl in the call to marc2ris. It's already a MARC::Record objection, so attempting to convert $marc to a MARC record objection is breaking the output.
The bug has the effect of causing the RIS export to not be properly populated.
Created attachment 5230 [details] [review] proposed bugfix
Note that this patch is required for the fix for bug 6769 to work.
Easy to read change, clear what the change does, marking as Passed QA
Patch pushed, please test
The fix for this bug was published in the 3.4.5 release. If you were the reporter of this bug, please take time to verify the fix and update the status of this bug report accordingly. If the bug is fixed to your satisfaction, please close this report.
There have been no further reports of problems so I am marking this bug resolved.