How To Fix /SMB/TYPES055 - TDC alias &1 cannot be assigned to different TDCs &2 and &3

SAP Error Message - Details

• Message type: E = Error

• Message class: /SMB/TYPES -

• Message number: 055

• Message text: TDC alias &1 cannot be assigned to different TDCs &2 and &3

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 /SMB/TYPES055 - TDC alias &1 cannot be assigned to different TDCs &2 and &3 ?

  The SAP error message /SMB/TYPES055 indicates that there is an issue with the assignment of a TDC (Technical Data Container) alias to multiple TDCs. This typically occurs in the context of SAP Business One or SAP Business Technology Platform, where TDCs are used to manage data structures.
  Cause:
  The error message suggests that the TDC alias you are trying to assign is already associated with other TDCs. In SAP, each TDC alias should be unique and can only be assigned to one TDC at a time. The error message specifies that the alias &1 is being attempted to be assigned to TDCs &2 and &3, which is not allowed.
  Solution:
  To resolve this issue, you can follow these steps:
  
  
  Check Existing Assignments: Verify the current assignments of the TDC alias in question. You can do this by navigating to the relevant configuration or management area in your SAP system where TDCs are defined.
  
  
  Remove Duplicate Assignments: If the alias is already assigned to other TDCs, you will need to either:
  
  Remove the existing assignments of the alias from the other TDCs.
  Choose a different alias that is not currently in use.
  
  
  
  Reassign the Alias: After ensuring that the alias is unique, you can proceed to assign it to the desired TDC.
  
  
  Check for Dependencies: Ensure that there are no dependencies or references that might be affected by changing the TDC alias assignments.
  
  
  Test the Changes: After making the changes, test the functionality to ensure that everything is working as expected.
  
  
  Related Information:
  
  Documentation: Refer to the SAP documentation for TDCs and aliases for more detailed information on how they work and best practices for managing them.
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional context or solutions.
  Support: If the issue persists, consider reaching out to SAP support for assistance, providing them with the error message and context for further troubleshooting.
  
  By following these steps, you should be able to resolve the error and successfully manage your TDC aliases in SAP.