How To Fix /PM0/ABX_MESSAGES064 - Fill 'Field Name' or 'Constant' but not Both

/PM0/ABX_MESSAGES064 - Overview

• Message type: E = Error

• Message class: /PM0/ABX_MESSAGES -

• Message number: 064

• Message text: Fill 'Field Name' or 'Constant' but not Both

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 /PM0/ABX_MESSAGES064 - Fill 'Field Name' or 'Constant' but not Both ?

  The SAP error message /PM0/ABX_MESSAGES064 with the description "Fill 'Field Name' or 'Constant' but not Both" typically occurs in the context of using the SAP PM (Plant Maintenance) module, particularly when working with certain configurations or customizations in the system.
  
  Cause:
  This error arises when a user attempts to fill both the 'Field Name' and 'Constant' fields in a configuration or customization setting where only one of them is allowed. The system expects either a field name (which refers to a specific field in the database or a structure) or a constant value (a fixed value), but not both at the same time.
  
  Solution:
  To resolve this error, you should:
  
  
  Identify the Context: Determine where you are encountering this error. It could be in a configuration screen, a custom program, or a user exit.
  
  
  Check the Fields: Review the fields in the relevant configuration or program. Ensure that you are only filling in either the 'Field