How To Fix P0801 - Parameter numbered & already exists

P0801 - Overview

• Message type: E = Error

• Message class: P0 - Messages for Transactions PE01, PE02 and PE03

• Message number: 801

• Message text: Parameter numbered & already exists

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 P0801 - Parameter numbered & already exists ?

  The SAP error message P0801, which states "Parameter numbered & already exists," typically occurs when there is an attempt to create or modify a parameter in the SAP system that already exists with the same number. This can happen in various contexts, such as when configuring user parameters or system parameters.
  
  Cause:
  
  
  Duplicate Parameter: The most common cause of this error is that a parameter with the same number already exists in the system. This can happen if:
  
  A user or administrator is trying to create a new parameter with a number that is already in use.
  There is an attempt to import or upload parameters that conflict with existing ones.
  
  
  
  Incorrect Configuration: Sometimes, this error can arise from incorrect configuration settings or scripts that are trying to set parameters without checking for existing ones.
  
  
  
  Solution:
  
  
  Check Existing Parameters: 
  
  Use transaction codes like SU01 (User Maintenance) or RZ10 (Profile Maintenance) to check if the parameter already exists.
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