How To Fix BUX_EEW025 - Only the first field can be a key field.

BUX_EEW025 - Overview

• Message type: E = Error

• Message class: BUX_EEW - Message Class for generic wizard for BP ABA 7.0

• Message number: 025

• Message text: Only the first field can be a key field.

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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BUX_EEW025 - Details

• The SAP error message BUX_EEW025 indicates that there is an issue with the definition of key fields in a data structure or table. Specifically, the error states that "Only the first field can be a key field," which means that in the context of the data structure you are working with, only the first field is allowed to be designated as a key field.
  
  Cause:
  This error typically arises in the following scenarios:
  
  Data Structure Definition: When defining a data structure or a table, multiple fields are incorrectly marked as key fields. In SAP, only the first field in a structure can be designated as a key field.
  Custom Development: If you are working with custom ABAP programs or enhancements, the error may occur due to incorrect definitions in the data dictionary (SE11) or in the ABAP code.
  Table Maintenance: When trying to maintain a table or structure in transaction codes like SE11 or SE16,