How To Fix /SMB/DEFINITION078 - Field &1 uses TDC alias &2 and parameter &3, which is not a valid type

SAP Error Message - Details

• Message type: E = Error

• Message class: /SMB/DEFINITION -

• Message number: 078

• Message text: Field &1 uses TDC alias &2 and parameter &3, which is not a valid type

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/DEFINITION078 - Field &1 uses TDC alias &2 and parameter &3, which is not a valid type ?

  The SAP error message /SMB/DEFINITION078 indicates that there is an issue with a field in your SAP system that is using a TDC (Technical Data Container) alias and a parameter that is not recognized as a valid type. This error typically arises in the context of SAP Business One or SAP Business ByDesign, where TDCs are used to define data structures.
  
  Cause:
  
  Invalid Type Definition: The parameter specified in the error message is not defined correctly or is not a valid type in the context of the TDC alias being used.
  
  Configuration Issues: There may be a misconfiguration in the TDC or the associated data model.
  Version Compatibility: The TDC or its parameters may not be compatible with the version of the SAP system you are using.
  Custom Development: If there are custom developments or modifications in the system, they may not adhere to the expected data types.
  
  
  Solution:
  
  Check TDC Configuration: Review the configuration of the