How To Fix PO639 - The conversion is table-driven

SAP Error Message - Details

• Message type: E = Error

• Message class: PO - Spooler message

• Message number: 639

• Message text: The conversion is table-driven

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message PO639 - The conversion is table-driven ?

  The SAP error message PO639, which states "The conversion is table-driven," typically occurs in the context of data conversion or mapping processes within SAP, particularly when dealing with purchase orders (POs) or other related documents. This error indicates that the system is attempting to perform a conversion that relies on a specific table-driven configuration, but it is unable to find the necessary data or mapping.
  Cause:
  
  Missing Configuration: The required table or mapping configuration for the conversion process is missing or not properly set up in the system.
  Incorrect Data: The data being processed may not match the expected format or values defined in the conversion tables.
  Authorization Issues: The user may not have the necessary authorizations to access the required tables or perform the conversion.
  System Updates: Recent changes or updates to the system may have affected the configuration or data integrity.
  
  Solution:
  
  Check Configuration: Verify that the necessary configuration for the conversion is correctly set up in the relevant customizing tables. This may involve checking transaction codes like SPRO to access the configuration settings.
  Review Data: Ensure that the data being processed is valid and conforms to the expected formats and values defined in the conversion tables.
  Authorization Check: Confirm that the user has the appropriate authorizations to access the required tables and perform the conversion.
  Debugging: If the issue persists, consider using the SAP debugger to trace the process and identify where the conversion is failing.
  Consult Documentation: Review SAP documentation or notes related to the specific transaction or process to identify any known issues or additional configuration steps that may be required.
  Contact Support: If the problem cannot be resolved internally, consider reaching out to SAP support for assistance, providing them with detailed information about the error and the context in which it occurs.
  
  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 understand where the error occurs.
  SAP Notes: Search for SAP Notes related to PO639 in the SAP Support Portal, as there may be specific patches or updates that address this issue.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to diagnose and resolve the PO639 error in your SAP environment.