603 SAP Message of Class B1 No acknowledgement received, details: R/2 system log or R/2 EDI log

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603(B1) - No acknowledgement received, details: R/2 system log or R/2 EDI log

Message number 603 of class B1 is used to display message "No acknowledgement received, details: R/2 system log or R/2 EDI log" and can be triggered using the following ABAP code:

    MESSAGE W603(B1). "Warning message example
    MESSAGE I603(B1). "Information message example
    MESSAGE E603(B1). "Error message example
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What causes this issue

A serious protocol error has occurred - no acknowledgement was
received.The sending of this IDoc was terminated.

How to fix

Look at the system log and the EDI log in the receiving R/2 system.

Message text extract from SAP system. Copyright SAP SE.

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