IW405 - Order number & already exists, please enter another

SAP Error Message - Details

• Message type: E = Error

• Message class: IW - Order Processing

• Message number: 405

• Message text: Order number & already exists, please enter another

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 IW405 - Order number & already exists, please enter another ?

  The SAP error message IW405 ("Order number & already exists, please enter another") typically occurs when you are trying to create a new order (such as a maintenance order) in SAP, but the order number you are attempting to use is already in use or has been previously assigned to another order.
  Cause:
  
  Duplicate Order Number: The order number you are trying to create already exists in the system.
  Number Range Issues: The number range for the order type may not be set up correctly, or it may be exhausted.
  Incorrect Order Type: You may be using an incorrect order type that is not configured to allow the order number you are trying to use.
  System Configuration: There may be issues with the configuration of the order number assignment in the system.
  
  Solution:
  
  Use a Different Order Number: The simplest solution is to enter a different order number that is not already in use.
  Check Existing Orders: Use transaction codes like IW38 or IW39 to check for existing orders and see if the order number you are trying to use is already assigned.
  Review Number Ranges: Check the number range configuration for the order type you are using. You can do this using transaction code SNRO (Number Range Objects) and look for the relevant object for your order type.
  Adjust Number Range: If the number range is exhausted, you may need to extend it or adjust the configuration to allow for more numbers.
  Consult with SAP Basis or Configuration Team: If you suspect a configuration issue, consult with your SAP Basis or configuration team to ensure that the order types and number ranges are set up correctly.
  
  Related Information:
  
  Transaction Codes: 
  
  IW31: Create Maintenance Order
  IW32: Change Maintenance Order
  IW38: Display Maintenance Orders
  SNRO: Number Range Objects
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to order number assignment.
  Documentation: Review SAP documentation for your specific version to understand how order number assignment works and any limitations that may apply.
  
  If the problem persists after trying the above solutions, it may be beneficial to reach out to your SAP support team for further assistance.