The root cause still needs to be investigated. However, it is suspected that there is a problem the cache.
Release : 6.6
Component : CA RELEASE AUTOMATION RELEASE OPERATIONS CENTER
If this is a cache problem then cleaning out the cache folders on the NES may help. If that doesn't work then clean out the cache folders on the NES and Agent. The list of folders you can look for and remove, if found, on the nes and agent (after stopping services) can be found in this KB article: https://knowledge.broadcom.com/external/article?articleId=145909
If clearing caches, as described in the article above, does not help; Or, if root cause determination is requested then please open a support issue and provide the data outlined in the "Resolution" section of the following KB Article: https://knowledge.broadcom.com/external/article?articleId=108862