How To Fix 29818 - Please select a valid line

SAP Error Message - Details

• Message type: E = Error

• Message class: 29 - Bills of Material

• Message number: 818

• Message text: Please select a valid line

What causes this issue?

You want to process a generated session.

System Response

The line you selected does not contain the name of a session.

How to fix this error?

Select a line that contains a session name. These lines begin with
'E29819'.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 29818 - Please select a valid line ?

  The SAP error message "29818 - Please select a valid line" typically occurs in scenarios where a user is trying to perform an action on a line item in a list or table, but the line item they have selected is not valid for the operation they are attempting to execute. This can happen in various SAP transactions, such as when working with purchase orders, sales orders, or other document types.
  Causes:
  
  Invalid Selection: The user may have selected a line that is not applicable for the action they are trying to perform (e.g., trying to delete or modify a line that is already processed or closed).
  Data Integrity Issues: There may be issues with the data integrity in the underlying database, such as missing or inconsistent data.
  User Authorization: The user may not have the necessary authorizations to perform actions on the selected line.
  System Configuration: There may be configuration settings in the SAP system that restrict certain actions based on the status of the line item.
  
  Solutions:
  
  Check Selection: Ensure that you have selected a valid line item. Review the list to confirm that the line you are trying to work with is active and eligible for the action.
  Refresh the Screen: Sometimes, refreshing the screen or reloading the transaction can resolve temporary glitches.
  Review Authorizations: Check if you have the necessary authorizations to perform the action on the selected line. If not, contact your SAP administrator to obtain the required permissions.
  Consult Documentation: Refer to the SAP documentation or help files related to the specific transaction you are using to understand the valid line item criteria.
  Check for Data Issues: If you suspect data integrity issues, consult with your SAP support team or database administrator to investigate and resolve any underlying data problems.
  Contact Support: If the issue persists, consider reaching out to SAP support or your internal IT support team for further assistance.
  
  Related Information:
  
  Transaction Codes: The error can occur in various transaction codes, so knowing the specific transaction you are working with can help in troubleshooting.
  SAP Notes: Check SAP Notes for any known issues or patches related to the error message.
  User Forums: SAP Community forums and other user groups can be valuable resources for finding solutions to common issues.
  
  By following these steps, you should be able to identify the cause of the error and take appropriate action to resolve it.