How To Fix CME_DTYPE001 - Name of data type can contain only &

SAP Error Message - Details

• Message type: E = Error

• Message class: CME_DTYPE - CME Data Type: Checks

• Message number: 001

• Message text: Name of data type can contain only &

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CME_DTYPE001 - Name of data type can contain only & ?

  The SAP error message CME_DTYPE001 indicates that the name of a data type in your SAP system contains invalid characters or exceeds the allowed length. The message typically states that the name of the data type can only contain specific characters, such as letters, numbers, and underscores, and must adhere to certain naming conventions.
  Cause:
  
  Invalid Characters: The data type name may include special characters or spaces that are not permitted.
  Length Exceeded: The name may exceed the maximum length allowed for data types in SAP.
  Naming Convention Violation: The name may not conform to the required naming conventions (e.g., starting with a letter, no special characters).
  
  Solution:
  
  
  Check Naming Conventions: Ensure that the data type name follows SAP's naming conventions:
  
  Must start with a letter (A-Z or a-z).
  Can contain letters, numbers (0-9), and underscores (_).
  Should not contain spaces or special characters (e.g., @, #, $, etc.).
  Must not exceed the maximum length (usually 30 characters).
  
  
  
  Rename the Data Type: If the name is invalid, rename the data type to comply with the rules. You can do this in the ABAP Dictionary (transaction SE11) or wherever the data type is defined.
  
  
  Review Existing Data Types: If you are using a data type that is predefined or inherited, check if it has been modified or incorrectly defined.
  
  
  Testing: After making changes, test the data type in the relevant context to ensure that the error does not occur again.
  
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for guidelines on naming conventions and data type definitions.
  ABAP Dictionary: Use transaction SE11 to view and modify data types.
  SAP Community: Engage with the SAP Community forums for additional insights and solutions from other users who may have encountered similar issues.
  
  If the problem persists after following these steps, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.