How To Fix /BOFU/FDT_EXP_BO_RET166 - Field &1 of node &2 map number &3 repeated

SAP Error Message - Details

• Message type: E = Error

• Message class: /BOFU/FDT_EXP_BO_RET -

• Message number: 166

• Message text: Field &1 of node &2 map number &3 repeated

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message /BOFU/FDT_EXP_BO_RET166 - Field &1 of node &2 map number &3 repeated ?

  The SAP error message /BOFU/FDT_EXP_BO_RET166 indicates that there is a problem with the mapping of fields in a Business Object (BO) within the SAP system. Specifically, the error message states that a field in a node is being repeated, which is not allowed in the context of the mapping.
  Cause:
  
  Duplicate Field Mapping: The error typically occurs when a field is mapped more than once within the same node of a Business Object. This can happen if the same field is inadvertently included multiple times in the mapping configuration.
  Incorrect Configuration: There may be an issue with the configuration of the Business Object or the data transformation process, leading to the same field being referenced multiple times.
  Data Model Issues: If the underlying data model has been modified or if there are inconsistencies in the data structure, it can lead to this error.
  
  Solution:
  
  Check Mapping Configuration: Review the mapping configuration for the Business Object in question. Ensure that each field is only mapped once within the same node. Remove any duplicate mappings.
  Validate Data Model: Ensure that the data model is correctly defined and that there are no structural issues that could lead to duplicate fields being referenced.
  Test Changes: After making adjustments to the mapping or data model, test the changes to ensure that the error is resolved and that the mapping works as expected.
  Consult Documentation: Refer to SAP documentation or guides related to Business Object mapping and field definitions for additional insights and best practices.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Transaction Codes: Familiarize yourself with relevant transaction codes (e.g., /BOFU/FDT for field mapping) that can help you navigate the configuration settings.
  
  If the issue persists after following these steps, it may be beneficial to reach out to SAP support for further assistance.