How To Fix FDM_MIRROR126 - Fields required in the IDoc do not have a value

SAP Error Message - Details

• Message type: E = Error

• Message class: FDM_MIRROR - Mirror System Messages

• Message number: 126

• Message text: Fields required in the IDoc do not have a value

Self-Explanatory Message

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To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message FDM_MIRROR126 - Fields required in the IDoc do not have a value ?

  The SAP error message FDM_MIRROR126 indicates that certain fields required in the IDoc (Intermediate Document) do not have values. This error typically occurs during the processing of IDocs, which are used for data interchange between SAP systems and external systems.
  
  Cause:
  The error is caused by one or more mandatory fields in the IDoc not being populated with values. This can happen due to various reasons, such as:
  
  Missing Data: The source system did not provide the necessary data for the required fields.
  Mapping Issues: There may be a problem with the mapping configuration between the source and target systems, leading to fields not being filled correctly.
  Configuration Errors: The IDoc type or message type may not be configured correctly, leading to missing mandatory fields.
  Data Validation: The data being sent may not meet the validation criteria set in the target system, causing the fields to be left empty.
  
  
  Solution:
  To resolve the FDM_MIRROR126 error, you can follow