3286340 - Error "Message is incomplete" while trying to implement or upload any SAP note using SNOTE

While trying to implement or manually upload any SAP note using SNOTE tool, below error is seen:

Message is incomplete (severity, area, number or exception is missing).
Message no. BL203

In dev_w* log:

User XXXX is not authorized to start TP

RFC 1764  CONVID 89023329
 * CMRC=6 DATA=0 STATUS=0 SAPRC=676 ThSAPOCMINIT
RFC> ABAP Programm: SAPLCRFC (Transaction: SNOTE)
RFC> User: XXXX (Client: XXX)
RFC> Destination: %_TCPIP_%1 (handle: 3, DtConId: 63AD1B012EBE0EA0E10080000A4221CB, DtConCnt: 0, ConvId: ,)

Also, perform TCP/IP connection test in sm59 and the connection test failed will fail with Return code 676

Image/data in this KBA is from SAP internal systems, sample data, or demo systems. Any resemblance to real data is purely coincidental 

• SAP Note Assistant
• SAP Netweaver ABAP

SNOTE, NOTE, Download, Upload, Message is incomplete (severity, area, number or exception is missing), BL203, User XXXX is not authorized to start TP, Return code 676, TCP/IP , KBA , BC-UPG-NA , SAP Notes Assistant , Problem