When processing constituents in the Luminate Online Management Plugin, the following error occurs:
Error: Luminate Online responded with the following error: At least one of the constituents are out of sync.
Download and install the latest version and patch, if applicable.
This can occur when linking and merging constituents in the Luminate Online plug in for The Raiser's Edge. Ensure the merge completed properly with one record in each system. If the merge did not complete properly, Contact Support and reference this article.