How To Fix MI_MGMT021 - Configuration ID contains invalid characters

SAP Error Message - Details

• Message type: E = Error

• Message class: MI_MGMT - MI: Device Management

• Message number: 021

• Message text: Configuration ID contains invalid characters

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 MI_MGMT021 - Configuration ID contains invalid characters ?

  The SAP error message MI_MGMT021 indicates that the Configuration ID you are trying to use contains invalid characters. This error typically arises in the context of Material Management (MM) or Inventory Management (IM) modules when dealing with configuration settings or data entries.
  Cause:
  The error is caused by the presence of characters in the Configuration ID that are not allowed by the system. This can include:
  
  Special characters (e.g., @, #, $, %, etc.)
  Spaces or leading/trailing spaces
  Non-alphanumeric characters
  Incorrect length of the Configuration ID (if it exceeds the defined limits)
  
  Solution:
  To resolve the MI_MGMT021 error, you can take the following steps:
  
  
  Check the Configuration ID: Review the Configuration ID you are trying to enter. Ensure that it only contains valid characters, which typically include:
  
  Alphanumeric characters (A-Z, a-z, 0-9)
  Underscores (_) or hyphens (-) if allowed by your system configuration.
  
  
  
  Remove Invalid Characters: If you find any invalid characters, remove or replace them with valid ones.
  
  
  Trim Spaces: Ensure there are no leading or trailing spaces in the Configuration ID.
  
  
  Verify Length: Check if the Configuration ID meets the length requirements set by your SAP system. If it is too long or too short, adjust it accordingly.
  
  
  Consult Documentation: Refer to your organization's SAP documentation or guidelines for specific rules regarding Configuration IDs.
  
  
  Test with a Valid ID: If possible, test the process with a known valid Configuration ID to ensure that the issue is indeed with the characters used.
  
  
  Contact Support: If you are unable to resolve the issue, consider reaching out to your SAP support team or consulting the SAP community for further assistance.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might provide additional insights or updates regarding this error.
  Transaction Codes: Familiarize yourself with transaction codes related to Material Management and Inventory Management, as they may help you navigate to the relevant configuration settings.
  User Authorization: Ensure that you have the necessary authorizations to create or modify Configuration IDs in the system.
  
  By following these steps, you should be able to identify and correct the issue causing the MI_MGMT021 error in your SAP system.