How To Fix DD_RUNTIMEOBJ104 - Unknown data type &1 when reconstructing RTOBJ of table &2

SAP Error Message - Details

• Message type: E = Error

• Message class: DD_RUNTIMEOBJ - ABAP Dictionary: Runtime object related messages

• Message number: 104

• Message text: Unknown data type &1 when reconstructing RTOBJ of table &2

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message DD_RUNTIMEOBJ104 - Unknown data type &1 when reconstructing RTOBJ of table &2 ?

  The SAP error message DD_RUNTIMEOBJ104 indicates that there is an issue with an unknown data type when reconstructing the runtime object (RTOBJ) of a specific table. This error typically arises during operations that involve data dictionary objects, such as when you are trying to activate or transport a table or when there are inconsistencies in the data dictionary.
  
  Cause:
  
  
  Unknown Data Type: The error suggests that the system encountered a data type that it does not recognize. This could be due to:
  
  A custom data type that has not been properly defined or activated.
  A missing or inconsistent data dictionary object.
  A transport issue where the data type was not included in the transport request.
  
  
  
  Inconsistencies in the Data Dictionary: If there are inconsistencies in the data dictionary, such as missing definitions or incorrect references, this can lead to runtime errors.
  
  
  Changes in Data Types: If a data type was changed or deleted after it was used