How To Fix PO018 - Cannot save

SAP Error Message - Details

• Message type: E = Error

• Message class: PO - Spooler message

• Message number: 018

• Message text: Cannot save

What causes this issue?

Printers with access method 'E' and the specified logical output
management system can only be created using the configuration interface
of the central print management system. It is not possible to set them
up locally.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message PO018 - Cannot save ?

  The SAP error message PO018 ("Cannot save") typically occurs when there are issues related to the purchase order (PO) that prevent it from being saved in the system. This error can arise from various causes, and understanding these can help in troubleshooting and resolving the issue.
  Common Causes of PO018 Error
  
  
  Missing Required Fields: Certain mandatory fields in the purchase order may not be filled out. This can include vendor information, material numbers, or other essential data.
  
  
  Inconsistent Data: There may be inconsistencies in the data entered, such as incorrect vendor details or invalid material numbers.
  
  
  Authorization Issues: The user may not have the necessary permissions to create or modify purchase orders.
  
  
  Document Type Issues: The document type used for the purchase order may not be configured correctly or may not be allowed for the transaction being performed.
  
  
  Account Assignment Issues: If the account assignment is not set up correctly, it can lead to errors when trying to save the purchase order.
  
  
  System Configuration: There may be configuration issues in the SAP system that prevent the purchase order from being saved.
  
  
  Solutions to PO018 Error
  
  
  Check Required Fields: Review the purchase order for any missing mandatory fields. Ensure that all required information is filled out correctly.
  
  
  Validate Data: Double-check the data entered in the purchase order for accuracy. Ensure that vendor and material numbers are valid and exist in the system.
  
  
  Review Authorizations: Ensure that the user has the necessary authorizations to create or modify purchase orders. If not, contact your SAP security administrator.
  
  
  Check Document Type Configuration: Verify that the document type used for the purchase order is correctly configured in the system. Consult with your SAP configuration team if needed.
  
  
  Account Assignment Review: Ensure that the account assignment details are correct and that the relevant accounts are set up properly.
  
  
  Consult SAP Notes: Check for any relevant SAP Notes or patches that may address known issues related to the PO018 error.
  
  
  System Logs: Review system logs for any additional error messages or warnings that may provide more context about the issue.
  
  
  Contact Support: If the issue persists after checking the above points, consider reaching out to your SAP support team or consulting SAP documentation for further assistance.
  
  
  Related Information
  
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as ME21N (Create Purchase Order), ME22N (Change Purchase Order), and ME23N (Display Purchase Order) to navigate the purchase order process effectively.
  
  
  SAP Documentation: Refer to SAP Help Portal or SAP Community for additional resources and discussions related to purchase order errors.
  
  
  Training: Consider training sessions or workshops on SAP procurement processes to better understand how to avoid common errors.
  
  
  By following these steps, you should be able to identify the cause of the PO018 error and implement the appropriate solution to resolve it.