Update:
This bug was fixed on 2-5-09.
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An official bug has been created for this issue:
After latest update (3.0100012) label batches can no longer be created. The pop-up window is available, but after a search is entered, the pop up window remains empty. It doesn’t search the catalog or allow items to be added to the batch.
Emily at Liblime says they will work on a fix “ASAP,” but unfortunately we don’t have an ETA.
Diana will be happy to help you set up a Word document to facilitate label generation until we can get this fixed.
Sorry about any inconvenience this may cause.