How To Fix CONV242 - Internal and external material number were entered

SAP Error Message - Details

• Message type: E = Error

• Message class: CONV - Messages in Connection with the Converter

• Message number: 242

• Message text: Internal and external material number were 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.

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 CONV242 - Internal and external material number were entered ?

  The SAP error message CONV242 typically occurs when there is a mismatch between the internal and external material numbers in the system. This can happen in various scenarios, such as during the creation or modification of material master records, or when trying to perform transactions involving materials.
  Cause:
  
  Mismatch of Material Numbers: The error indicates that both internal and external material numbers have been entered, which is not allowed in certain contexts.
  Incorrect Configuration: The system may be configured in a way that does not allow the simultaneous use of both internal and external material numbers.
  Data Entry Error: Users may inadvertently enter both types of material numbers in fields that are not meant to accept them together.
  
  Solution:
  
  Check Input Fields: Ensure that you are only entering either the internal material number or the external material number, but not both. Review the fields in the transaction you are using.
  Review Material Master Data: If you are working with material master records, check the configuration settings to ensure that they are set up correctly for your business processes.
  Consult Documentation: Refer to SAP documentation or help files for the specific transaction you are using to understand the requirements for material number entry.
  System Configuration: If the issue persists, consult with your SAP Basis or configuration team to review the settings related to material number handling in your SAP system.
  Error Logs: Check the system logs for any additional error messages or warnings that may provide more context about the issue.
  
  Related Information:
  
  Transaction Codes: The error can occur in various transactions, such as MM01 (Create Material), MM02 (Change Material), or during goods movements.
  Material Master: Understanding the structure of the material master and how internal and external numbers are defined can help in troubleshooting.
  SAP Notes: Look for relevant SAP Notes that may address this specific error or provide patches or updates that could resolve the issue.
  User Training: Ensure that users are trained on the correct procedures for entering material numbers to avoid this error in the future.
  
  If the problem continues after following these steps, it may be beneficial to reach out to SAP support for further assistance.