Error reading CCI for the Rank fields for collection set

Did any one meet this type of error before? stacktrace: com.westgroup.novus.search.server.ErrorCodeException: Error SEARCH11015: Error building the InternalSearchRequests. Error reading CCI for the Rank fields for collection set = CN_CN_LEGIS_CS, collection = CN_CN_LEGIS1, rank option = cnrank2 and PIT = PIT-F1571110222;F1571110222;F1571110222;F1571110222; , Exception = Record not found: {RANK_KEY.COLLECTION_NAME=CN_CN_LEGIS1, RANK_KEY.COLLECT_SET_NAME=CN_CN_LEGIS_CS, RANK_KEY.RANK_OPTION_NAME=cnrank2}. at com.westgroup.novus.cache.CacheUtils.handlePortableException(CacheUtils.java:137)