How To Fix 54421 - An U(pdate) may not follow an I(nsert)

54421 - Overview

• Message type: E = Error

• Message class: 54 - Messages for HR tables

• Message number: 421

• Message text: An U(pdate) may not follow an I(nsert)

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 54421 - An U(pdate) may not follow an I(nsert) ?

  The SAP error message 54421 ("An U(pdate) may not follow an I(nsert)") typically occurs in the context of database operations, particularly when working with database tables in ABAP programs or during data manipulation in SAP systems. This error indicates that there is an attempt to perform an update operation on a record that was just inserted, which is not allowed in certain contexts.
  
  Cause:
  The error is usually caused by the following scenarios:
  
  Incorrect Sequence of Operations: The program is trying to update a record immediately after inserting it without committing the transaction. In some cases, the database may not allow an update to follow an insert in the same logical unit of work.
  Database Locking Issues: If the record is locked due to a previous operation, the system may prevent an update from occurring after an insert.
  Triggers or Constraints: There may be database triggers or constraints that prevent an update from occurring after