How To Fix C5801 - Select another number, this one already exists.

SAP Error Message - Details

• Message type: E = Error

• Message class: C5 - Master Recipe

• Message number: 801

• Message text: Select another number, this one already exists.

What causes this issue?

You assigned a process instruction number or a key which was
already used.

How to fix this error?

Enter a process instruction number which is not yet assigned.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message C5801 - Select another number, this one already exists. ?

  The SAP error message C5801, which states "Select another number, this one already exists," typically occurs when you are trying to create or modify a record (such as a document, order, or master data) that requires a unique identifier (like a number or code), and the identifier you are trying to use is already in use.
  Cause:
  
  Duplicate Entry: The most common cause is that the number you are trying to use is already assigned to another record in the system.
  Number Range Issues: The number range configuration for the object you are working with may not allow for the number you are trying to use.
  Data Consistency: There may be data consistency issues in the database, where the system believes the number is already in use due to a previous transaction or error.
  
  Solution:
  
  Choose a Different Number: The simplest solution is to select a different number that is not already in use.
  Check Existing Records: Use transaction codes like SE16 or SE11 to check the relevant table for existing records that may be using the number you are trying to enter.
  Review Number Ranges: If you have access, check the number range settings for the object in question (using transaction code SNRO) to ensure that the number you are trying to use is within the allowed range.
  Consult with Your SAP Administrator: If you believe the number should be available, consult with your SAP administrator to investigate further. They can check for any inconsistencies or issues in the database.
  Error Logs: Check the system logs for any additional error messages or information that might provide more context about the issue.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SNRO (Number Range Objects), SE16 (Data Browser), and SE11 (Data Dictionary).
  Documentation: Review SAP documentation or help files related to the specific module you are working with, as the context of the error may vary depending on the application area (e.g., MM, SD, FI).
  SAP Notes: Search for SAP Notes related to error C5801 in the SAP Support Portal, as there may be specific fixes or recommendations provided by SAP.
  
  By following these steps, you should be able to resolve the error and proceed with your task in SAP.