How To Fix RTC_FLUP_01021 - Upload data incorrect; key field '&1' value '&2' must be '&3'

RTC_FLUP_01021 - Overview

• Message type: E = Error

• Message class: RTC_FLUP_01 - Flexible Upload

• Message number: 021

• Message text: Upload data incorrect; key field '&1' value '&2' must be '&3'

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RTC_FLUP_01021 - Upload data incorrect; key field '&1' value '&2' must be '&3' ?

  The SAP error message RTC_FLUP_01021 indicates that there is an issue with the data being uploaded, specifically related to a key field. The message format suggests that the key field identified by &1 has a value of &2, but it should actually be &3. This typically occurs during data uploads in SAP, such as when using the LSMW (Legacy System Migration Workbench), BAPIs, or other data upload tools.
  
  Cause:
  
  
  Incorrect Data: The value being uploaded for the specified key field does not match the expected value in the target system. This could be due to:
  
  Typographical errors in the data being uploaded.
  Incorrect mapping of fields in the upload template.
  Data that does not exist in the target system (e.g., trying to reference a non-existent record).
  
  
  
  Data Integrity Issues: The data being uploaded may violate referential integrity constraints. For example, if the key field is supposed to reference another table or entity, and the corresponding record