What is the source? Have you checked the mapping tab of copy activity? Ensure you have source columns mapped to target Kusto columns.
Data load to ADX (Kusto) fails with error - UserErrorKustoWriteFailed
Siresh Peesa (HCL America Inc)
1
Reputation point Microsoft Employee
Failure happened on 'Sink' side. ErrorCode=UserErrorKustoWriteFailed,'Type=Microsoft.DataTransfer.Common.Shared.HybridDeliveryException,Message=Failure status of the first blob that failed: Mapping reference 'TestTable' of type 'mappingReference' in database 'XXXXX' could not be found.,Source=Microsoft.DataTransfer.Runtime.KustoConnector,'
2 answers
Sort by: Most helpful
-
-
Janine Lodewick 1 Reputation point
2021-04-16T06:43:59.93+00:00 I had the same issue, I had to go into ADX user permissions and add the ADF as a "user"(app) with write permissions