Message SAP XS821 - Cannot process message in node, parameters cannot be converted

Diagnosis
The message cannot be processed in the node as parameters such as 'Sendtime' or 'Priority' cannot be converted. It is possible that entireparameters such as 'Recipient list' or 'Packet list' are missing.

System Response
Processing was terminated.
SAP system additional information (error number, if available):
V2
Additional information of the node used (in the system language of thenode):
V4

Procedure
Notify your system administrator. If a trace exists for the node, use itto find out which parameters are missing. Modify the message accordingly(for example, by changing the send class). You may need to notify themanufacturer of node &V1& or the SAP Hotline.