How To Fix E0721 - & is used with a basic type; see the long text

SAP Error Message - Details

• Message type: E = Error

• Message class: E0 - SAP EDI messages

• Message number: 721

• Message text: & is used with a basic type; see the long text

What causes this issue?

The extension type &v1& has already been combined with the basic IDoc
type &v2& to form the IDoc type &v3&.

System Response

If the release is cancelled and the extension type then changed, this
also affects the IDoc type &v3&.

How to fix this error?

Make sure that the changes you make do not result in inconsistencies.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message E0721 - & is used with a basic type; see the long text ?

  The SAP error message E0721 typically indicates an issue related to the use of a basic type in the context of IDocs (Intermediate Documents). This error often arises when there is a mismatch or an inconsistency in the data structure or the configuration of the IDoc type being used.
  Cause:
  
  Basic Type Mismatch: The error may occur if the IDoc is trying to use a basic type that is not correctly defined or does not match the expected structure.
  Inconsistent Data: The data being sent in the IDoc may not conform to the expected format or structure defined in the basic type.
  Configuration Issues: There may be issues with the configuration of the IDoc type in the SAP system, such as missing segments or incorrect field definitions.
  
  Solution:
  
  Check IDoc Definition: Verify the definition of the basic type being used. Ensure that it is correctly defined in the SAP system and that all required segments and fields are present.
  Validate Data: Review the data being sent in the IDoc. Ensure that it adheres to the structure defined by the basic type. Look for any missing or incorrectly formatted fields.
  Reconfigure IDoc Type: If necessary, reconfigure the IDoc type in the SAP system. This may involve adjusting the segments, fields, or data types to ensure compatibility.
  Use Transaction WE60: You can use transaction WE60 to display the documentation for the IDoc type and understand its structure better.
  Check for Updates: Ensure that your SAP system is up to date with the latest patches and updates, as there may be fixes related to IDoc processing.
  
  Related Information:
  
  IDoc Types: IDocs are used for data interchange between SAP systems and external systems. Each IDoc has a specific structure defined by its basic type.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as WE30 (for creating and maintaining IDoc types), WE31 (for segments), and WE20 (for partner profiles).
  SAP Notes: Check SAP Notes for any known issues or fixes related to the E0721 error message. SAP Notes can provide additional insights and solutions.
  
  If the problem persists after following these steps, it may be beneficial to consult with your SAP Basis or technical team for further investigation.