How To Fix MSGC_PLM_SE_MAT020 - Unexpected exception: '&1'

SAP Error Message - Details

• Message type: E = Error

• Message class: MSGC_PLM_SE_MAT -

• Message number: 020

• Message text: Unexpected exception: '&1'

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 MSGC_PLM_SE_MAT020 - Unexpected exception: '&1' ?

  The SAP error message MSGC_PLM_SE_MAT020 Unexpected exception: '&1' typically indicates that an unexpected exception has occurred in the Product Lifecycle Management (PLM) module, specifically related to material management. The &1 placeholder usually represents a specific error code or message that provides more context about the exception.
  Possible Causes:
  
  Data Integrity Issues: There may be inconsistencies or corruption in the data related to materials, such as missing or incorrect entries in the database.
  Configuration Errors: Incorrect configuration settings in the PLM module or related components can lead to unexpected exceptions.
  Custom Code or Enhancements: If there are custom developments or enhancements in the system, they might not be handling certain scenarios correctly, leading to exceptions.
  System Bugs: There could be bugs in the SAP software version you are using, which might cause unexpected behavior.
  Authorization Issues: Lack of proper authorizations for the user trying to perform the action can also lead to exceptions.
  
  Solutions:
  
  Check the Error Code: Look at the specific error code or message represented by &1 to get more details about the exception. This can provide insights into the root cause.
  Review Logs: Check the application logs (transaction SLG1) for more detailed error messages and stack traces that can help identify the issue.
  Data Validation: Validate the data related to the material in question. Ensure that all required fields are filled and that there are no inconsistencies.
  Configuration Review: Review the configuration settings in the PLM module to ensure they are set up correctly.
  Debugging: If you have access to the development environment, consider debugging the code to identify where the exception is being raised.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that might address known issues related to this error message.
  Consult Documentation: Review the official SAP documentation for the PLM module to understand the expected behavior and any prerequisites for the actions being performed.
  Contact SAP Support: If the issue persists and you cannot resolve it, consider reaching out to SAP Support for assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MM03 (Display Material), MM02 (Change Material), and PLM related transactions.
  User Authorizations: Ensure that the user has the necessary authorizations to perform the actions related to materials in the PLM module.
  System Version: Be aware of the version of SAP you are using, as certain issues may be version-specific.
  
  By following these steps, you should be able to diagnose and potentially resolve the MSGC_PLM_SE_MAT020 error in your SAP system.