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

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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 TDC alias &2 and ensure that the parameter &3 is defined correctly and is a valid type.
  Validate Data Types: Ensure that the data types used in the TDC are compatible with the expected types in the system. You may need to refer to the SAP documentation for valid data types.
  Review Custom Code: If there are any custom developments, review the code to ensure that it is correctly using the TDC and its parameters.
  Update or Patch: If the issue is related to version compatibility, check for any available updates or patches for your SAP system that may resolve the issue.
  Consult SAP Support: If the problem persists, consider reaching out to SAP support for assistance. They may provide insights specific to your system configuration.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for TDCs and data types to understand the expected configurations.
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues and can provide solutions.
  Transaction Codes: Use relevant transaction codes (like SE11 for data dictionary) to inspect the definitions of the TDC and its parameters.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.