How To Fix WE244 - Prefix & is not defined in Customizing

SAP Error Message - Details

• Message type: E = Error

• Message class: WE - Messages for EAN Customizing and for EAN management in MM_BD

• Message number: 244

• Message text: Prefix & is not defined in Customizing

Self-Explanatory Message

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• What is the cause and solution for SAP error message WE244 - Prefix & is not defined in Customizing ?

  SAP Error Message:
  
  WE244 - Prefix & is not defined in Customizing
  
  Cause:
  This error occurs during IDoc processing when the system encounters an IDoc segment prefix that has not been defined or maintained in the IDoc Customizing settings. Specifically, the prefix (segment prefix) used in the IDoc structure or in the message type is missing in the segment prefix customizing.
  In SAP, segment prefixes are used to identify and differentiate segments in IDocs, especially when segments are reused or appear multiple times. If the prefix is not maintained in the system, SAP cannot correctly interpret or process the IDoc segments, leading to this error.
  
  When does it occur?
  
  During inbound or outbound IDoc processing.
  When generating or parsing IDocs.
  When the IDoc type or message type has segments with prefixes that are not maintained in the system.
  Often seen in custom or extended IDoc types where new prefixes are introduced but not properly configured.
  
  
  Solution:
  
  
  Check the Prefix in the Error Message:
  
  Identify the prefix mentioned in the error message (the & in the message is a placeholder for the actual prefix).
  
  
  Maintain Segment Prefixes in Customizing:
  
  Go to transaction WE30 (IDoc Type Development) or WE31 (Segment Editor) to check the segment definitions.
  Use transaction WE20 (Partner Profiles) to check message types and IDoc types.
  The main customizing for segment prefixes is done in transaction WE60 or WE82 (IDoc documentation and message type customizing).
  The key customizing transaction is WE41 or WE42 for outbound/inbound processing, but for segment prefixes, you need to maintain them in the IDoc type definition.
  
  
  
  Maintain Segment Prefixes in the IDoc Type:
  
  Use transaction WE30 to display the IDoc type.
  Check the segments and their prefixes.
  If a prefix is missing, add it accordingly.
  Alternatively, use transaction WE60 or WE82 to maintain the segment prefix assignments.
  
  
  
  Check and Maintain Segment Prefixes in the Table:
  
  The segment prefixes are stored in table EDIDC or related IDoc tables.
  You can also check the customizing table EDIDS or EDID4 for segment prefixes.
  If necessary, maintain the prefixes via customizing or transport the correct customizing from development to production.
  
  
  
  Transport the Changes:
  
  After maintaining the prefixes, transport the changes to the relevant systems.
  
  
  
  Test the IDoc Processing Again:
  
  Reprocess the IDoc or trigger the IDoc generation to verify the error is resolved.
  
  
  
  
  Additional Information:
  
  Segment prefixes are important when the same segment appears multiple times in an IDoc or when segments are nested.
  This error is common when custom IDoc types or extensions are created but the segment prefixes are not properly maintained.
  Always ensure that any custom development involving IDocs follows the SAP guidelines for segment and prefix maintenance.
  Refer to SAP Note or documentation related to IDoc segment prefixes if needed.
  
  
  Summary:
  
  
  
  Aspect
  Details
  
  
  
  
  Cause
  Segment prefix used in IDoc is not defined in SAP Customizing.
  
  
  Solution
  Maintain the missing segment prefix in IDoc Customizing via transactions like WE30, WE82.
  
  
  Transactions
  WE30, WE31, WE82, WE60, WE20
  
  
  Tables
  EDIDC, EDIDS, EDID4 (for segment data and prefixes)
  
  
  
  
  If you need further help, please provide the exact prefix causing the error and the IDoc type/message type involved.