Symptoms: 

Projects cannot be completed because, at the end of the workflow multivalue project attributes with more than 250 values cannot be saved. The following error message is reported in the task history for the latest automatic action: "Error while executing automatic action: com.idiominc.ws.storage.StorageException (covers com.idiominc.ws.sql.WSSQLException (covers java.sql.SQLException: [SDL WorldServer][SQLServer JDBC Driver][SQLServer]The incoming tabular data stream (TDS) remote procedure call (RPC) protocol stream is incorrect. Too many parameters were provided in this RPC request. The maximum is 2100.)".

Resolution: 

You can fix this issue by deploying the update to WorldServer 10.4.4, available on FTP.

If you cannot deploy it, contact the SDL Support Team:

•     Log on to your "My SDL" Account.
•     Log a support request via Support & Education Support. 

Notes: 

• Only the systems running WorldServer 10.4.4 and having the above issue should have this hotfix applied.
• The fix for this issue will also be available in WS 11.1.