How To Fix E0742 - IDoc transfer: Data flow not correct

E0742 - Overview

• Message type: E = Error

• Message class: E0 - SAP EDI messages

• Message number: 742

• Message text: IDoc transfer: Data flow not correct

What causes this issue?

During the CPI-C connection to the R/2 system, IDoc data was expected.
However, the data received is incorrect. The first letter should be
'D' (for 'data').
The first letter of the data stream received is &v1&.

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Data stream: &v2&

System Response

How to fix this error?

If the error keeps occurring, activate the CPI-C trace functionality.

Error message extract from SAP system. Copyright SAP SE.

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• What is the cause and solution for SAP error message E0742 - IDoc transfer: Data flow not correct ?

  The SAP error message E0742, which indicates "IDoc transfer: Data flow not correct," typically arises during the processing of IDocs (Intermediate Documents) in SAP systems. This error suggests that there is an issue with the data flow of the IDoc, which can be caused by various factors. Below are some common causes, potential solutions, and related information for this error:
  Causes:
  
  Incorrect IDoc Configuration: The IDoc type or message type may not be correctly configured in the system.
  Inconsistent Data: The data being sent in the IDoc may not conform to the expected structure or may contain invalid values.
  Partner Profile Issues: The partner profile settings for the sender or receiver may not be correctly defined, leading to communication issues.
  Mapping Errors: If there is a mapping process involved (e.g., using SAP PI/PO), errors in the mapping can lead to incorrect data flow.
  Status of IDoc: The IDoc may be in an incorrect status (e.g., not