How To Fix SDME_OBJ404 - A global data type with the name &1 already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: SDME_OBJ - DME: Maintenance Object Messages

• Message number: 404

• Message text: A global data type with the name &1 already exists

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 SDME_OBJ404 - A global data type with the name &1 already exists ?

  The SAP error message SDME_OBJ404 indicates that there is an attempt to create a global data type with a name that already exists in the system. This typically occurs in the context of ABAP development, particularly when working with data dictionary objects.
  Cause:
  The error is caused by one of the following scenarios:
  
  Duplicate Data Type: You are trying to create a new global data type (e.g., a structure or table type) with a name that is already in use by another data type in the system.
  Transport Issues: If you are working in a transport environment, it is possible that the data type was already transported to the target system, leading to a conflict.
  Namespace Conflicts: If you are using a custom namespace, there might be a conflict with standard SAP objects or other custom objects.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check Existing Data Types:
  
  Use transaction code SE11 (Data Dictionary) to search for the existing global data type by name. This will help you confirm whether the data type already exists.
  If it exists, you may need to modify the existing data type instead of creating a new one.
  
  
  
  Rename the New Data Type:
  
  If you need to create a new data type and the name is already taken, consider renaming your new data type to something unique.
  
  
  
  Review Transport Requests:
  
  If you suspect that the data type was transported from another system, check the transport requests to see if the data type is included. You may need to adjust your development or transport strategy.
  
  
  
  Namespace Management:
  
  Ensure that you are using the correct namespace for your custom objects to avoid conflicts with standard SAP objects.
  
  
  
  Check for Deletions:
  
  If you previously deleted a data type and are trying to recreate it, ensure that the deletion has been fully processed and that there are no remnants of the old data type in the system.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SE11: Data Dictionary
  SE80: Object Navigator
  SE37: Function Module
  SE24: Class Builder
  
  
  
  Documentation: Refer to SAP Help documentation for more details on data types and the data dictionary.
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.