How To Fix /ISDFPS/MSG_GAF_PE020 - Invalid serial number &1 for material &2

/ISDFPS/MSG_GAF_PE020 - Overview

• Message type: E = Error

• Message class: /ISDFPS/MSG_GAF_PE -

• Message number: 020

• Message text: Invalid serial number &1 for material &2

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 /ISDFPS/MSG_GAF_PE020 - Invalid serial number &1 for material &2 ?

  The SAP error message /ISDFPS/MSG_GAF_PE020 Invalid serial number &1 for material &2 typically occurs in the context of handling serialized materials in SAP, particularly in the SAP IS-DFPS (Industry Solution for Defense Forces and Security) module. This error indicates that the serial number provided for a specific material is not valid or does not exist in the system.
  Causes:
  
  Incorrect Serial Number: The serial number entered may be incorrect or mistyped.
  Non-Existent Serial Number: The serial number may not exist in the system for the specified material.
  Material Not Serialized: The material may not be set up to use serial numbers in the system.
  Status Issues: The serial number may be in a status that does not allow it to be used (e.g., it may be marked as inactive or blocked).
  Data Inconsistency: There may be inconsistencies in the database or issues with the material master data.
  
  Solutions:
  
  Verify Serial Number: Check the serial number for any typographical