How To Fix USMD_CMM018 - Parameter &1 must not be initial

SAP Error Message - Details

• Message type: E = Error

• Message class: USMD_CMM -

• Message number: 018

• Message text: Parameter &1 must not be initial

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 USMD_CMM018 - Parameter &1 must not be initial ?

  The SAP error message USMD_CMM018 with the description "Parameter &1 must not be initial" typically indicates that a required parameter (represented by &1) is missing or has not been initialized in the context of a specific operation or transaction. This error is often encountered in the context of SAP Master Data Governance (MDG) or similar applications where certain fields or parameters are mandatory for processing.
  Cause:
  
  Missing Input: The most common cause is that a required field or parameter has not been filled in or has been left blank.
  Incorrect Configuration: There may be a configuration issue where the system expects a value for a parameter that is not being provided.
  Data Inconsistency: The data being processed may have inconsistencies or missing values that lead to this error.
  User Input Error: The user may have inadvertently skipped a required field during data entry.
  
  Solution:
  
  Check Required Fields: Review the transaction or process you are executing and ensure that all required fields are filled in. Look for any fields marked with an asterisk (*) or indicated as mandatory.
  Review Configuration: If you have access to the configuration settings, check if the parameters are correctly set up and that there are no missing mandatory fields in the configuration.
  Data Validation: Validate the data being processed to ensure that all necessary information is present and correctly formatted.
  Debugging: If you have technical access, you can debug the program to identify which parameter is causing the issue. This can provide insights into why the parameter is not being initialized.
  Consult Documentation: Refer to SAP documentation or help resources related to the specific transaction or module you are working with for additional guidance on required parameters.
  Contact Support: If the issue persists and you cannot identify the cause, consider reaching out to your SAP support team or consulting SAP Notes for any known issues related to this error.
  
  Related Information:
  
  Transaction Codes: Depending on the context, you may be working with specific transaction codes related to Master Data Governance or other modules.
  SAP Notes: Check SAP Notes for any updates or patches that may address this error.
  User Forums: SAP Community forums can be a valuable resource for finding similar issues faced by other users and potential solutions.
  
  By following these steps, you should be able to identify and resolve the issue causing the USMD_CMM018 error message.