How To Fix E0744 - IDoc transfer: First record is not an IDoc control record

E0744 - Overview

• Message type: E = Error

• Message class: E0 - SAP EDI messages

• Message number: 744

• Message text: IDoc transfer: First record is not an IDoc control record

What causes this issue?

The first record transferred must always be a control record. The first
10 letters of a transferred control record are 'EDI_DC '.

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

Data stream: &v1&

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.

Smart SAP Assistant

• What is the cause and solution for SAP error message E0744 - IDoc transfer: First record is not an IDoc control record ?

  The SAP error message E0744, which states "IDoc transfer: First record is not an IDoc control record," typically occurs during the processing of IDocs (Intermediate Documents) in SAP. This error indicates that the system expected the first record of the IDoc to be a control record, but it found something else instead. Here’s a breakdown of the cause, potential solutions, and related information:
  
  Cause:
  
  Incorrect File Format: The file being processed may not be in the correct IDoc format. The first line should contain the control record, but if it contains data records or is improperly formatted, this error will occur.
  Corrupted IDoc: The IDoc might be corrupted or not properly generated, leading to an invalid structure.
  Transmission Issues: There may have been issues during the transmission of the IDoc, causing it to be incomplete or malformed.
  Incorrect Mapping: If the IDoc is being generated from an external system, there may be a mapping issue