The vendor has published 1 unique mention(s) for this bug: 1. Removing or marking down two vDisks in the Citrix Provisioning Console fails, with an error message A database error occurred. This error condition appears when you convert a character string to an unique identifier. Latest urls for this bug: 1. https://docs.citrix.com//en-us/provisioning/1912-ltsr/whats-new/cumulative-update-5/fixed-issues