How To Fix IU787 - The installation number has not been entered

SAP Error Message - Details

• Message type: E = Error

• Message class: IU - Incremental Conversion (ICNV)

• Message number: 787

• Message text: The installation number has not been entered

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 IU787 - The installation number has not been entered ?

  The SAP error message IU787, which states "The installation number has not been entered," typically occurs in the context of SAP's Plant Maintenance (PM) or Customer Service (CS) modules. This error indicates that a required field, specifically the installation number, has not been filled in during a transaction or process that requires it.
  Cause:
  
  Missing Installation Number: The most straightforward cause is that the user did not enter an installation number in the relevant field.
  Incorrect Configuration: The system may be configured in such a way that it expects an installation number for certain transactions, but the configuration is not set up correctly.
  User Input Error: The user may have overlooked the field or entered it incorrectly (e.g., wrong format).
  Authorization Issues: Sometimes, users may not have the necessary permissions to view or enter installation numbers.
  
  Solution:
  
  Enter the Installation Number: Ensure that you fill in the installation number in the relevant field before proceeding with the transaction.
  Check Configuration: If you are a system administrator, check the configuration settings in the relevant transaction codes (like IW31, IW32 for PM) to ensure that the installation number is set as a required field.
  Review User Input: Double-check that the installation number is entered correctly and matches the expected format.
  Authorization Check: Ensure that the user has the necessary authorizations to access and enter installation numbers. This may require coordination with your SAP security team.
  Consult Documentation: Refer to SAP documentation or help files for the specific transaction you are using to understand the requirements for the installation number.
  
  Related Information:
  
  Transaction Codes: Common transaction codes where this error might occur include IW31 (Create PM Order), IW32 (Change PM Order), and others related to service orders or maintenance tasks.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP Notes can provide additional context or solutions.
  User Training: If this error is common among users, consider providing training or documentation to help them understand the importance of the installation number and how to enter it correctly.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP support team or reach out to SAP support for further assistance.