How To Fix WZRE_IDOC020 - Value &1 in segment &2 Segment No. &3 is technically incompatible

SAP Error Message - Details

• Message type: E = Error

• Message class: WZRE_IDOC - Messages For IDOC Tool

• Message number: 020

• Message text: Value &1 in segment &2 Segment No. &3 is technically incompatible

What causes this issue?

The IDOC data contains a value that cannot be transferred into the
maintenance structure: For example a not numerical value that should be
transferred into a numerical field.

System Response

The IDOC is not displayed

How to fix this error?

Contact your IT team.

Procedure for System Administrators

Identify the field that caused the problem. Create a maintenance
structure that allows string values for the field that caused the
problem.

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WZRE_IDOC020 - Value &1 in segment &2 Segment No. &3 is technically incompatible ?

  The SAP error message:
  WZRE_IDOC020 Value &1 in segment &2 Segment No. &3 is technically incompatible
  typically occurs during IDoc processing and indicates that a particular field value in a segment is not compatible with the expected data type or format defined in the IDoc segment structure.
  
  Cause
  
  The value (&1) in the specified segment (&2) at segment number (&3) does not conform to the expected data type, length, or format defined in the IDoc segment metadata.
  This can happen if:
  
  The data being sent or received is incorrect or corrupted.
  There is a mismatch between the IDoc segment definition in the sender and receiver systems.
  The segment contains a value that violates technical constraints (e.g., numeric field contains alphabetic characters).
  Custom segments or fields have been added but not properly defined or mapped.
  
  
  Sometimes, this error arises when the IDoc is manually edited or generated by a custom program that does not respect the segment definitions.
  
  
  Solution
  
  
  Check the IDoc segment definition:
  
  Use transaction WE30 to review the segment structure and data element definitions.
  Verify the data type, length, and domain of the field in question.
  
  
  
  Analyze the IDoc data:
  
  Use transaction WE02 or WE05 to display the IDoc.
  Locate the segment number (&3) and check the value (&1) in the field.
  Confirm if the value violates the expected format or length.
  
  
  
  Correct the data:
  
  If the data is incorrect, fix the source of the data (e.g., the sending program or interface).
  If the IDoc is inbound, check the sending system for data correctness.
  
  
  
  Check for mismatches between sender and receiver:
  
  Ensure both systems have the same IDoc version and segment definitions.
  If custom segments are used, verify that they are properly defined and consistent.
  
  
  
  Adjust or enhance the mapping/conversion routines:
  
  If the IDoc is processed via custom function modules or mappings (e.g., in ALE or EDI), ensure that the conversion logic respects the data types.
  
  
  
  Reprocess the IDoc:
  
  After correction, reprocess the IDoc using BD87 or relevant transaction.
  
  
  
  
  Related Information
  
  
  Transactions:
  
  WE30 - IDoc Segment Editor
  WE02 / WE05 - IDoc Display
  BD87 - IDoc Reprocessing
  WE19 - IDoc Test Tool (for testing and simulating IDocs)
  
  
  
  Notes and Documentation:
  
  Check SAP Notes related to IDoc processing errors.
  Review the IDoc documentation for the specific message type and segment.
  
  
  
  Common fields causing issues:
  
  Numeric fields receiving alphabetic characters.
  Date or time fields with invalid formats.
  Fields exceeding defined length.
  
  
  
  
  Summary
  
  
  
  Aspect
  Details
  
  
  
  
  Cause
  Value in IDoc segment field violates technical constraints (data type, length, format).
  
  
  Solution
  Verify segment definition, check and correct data, ensure sender/receiver consistency, reprocess IDoc.
  
  
  Tools
  WE30, WE02, WE05, BD87, WE19
  
  
  
  
  If you provide the exact values for &1, &2, and &3 from your error message, I can help you analyze the specific field and segment causing the issue.