How To Fix DMC_GENERAL101 - Structure tree type of &3 changed from &1 to &2

DMC_GENERAL101 - Overview

• Message type: E = Error

• Message class: DMC_GENERAL - MWB: General Messages

• Message number: 101

• Message text: Structure tree type of &3 changed from &1 to &2

What causes this issue?

Structure tree type of &3 changed from &1 to &2

System Response

The type of the specified structure node has been changed.
The meaning of these types is as follows:
1. structure definition from ABAP data dictionary
2. message type
3. hierarchy node
4. table type
5. structure type
6. single field
7. included structure tree from another conversion object

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Changing the type of an existing structure tree can have severe
consequences. For example, you must make sure that, if such a change is
done on the receiver side, there is a corresponding change also for the
corresponding structure tree on the sender side, and vice versa. It must
be checked that the mutual assignment of structure trees of sender and
receiver container is done in a consistent way.

How to fix this error?

Check if for the structure tree the type of which has been changed, a
reasonable structure relationship is defined (usually a relationship
with a structure tree of the same type

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DMC_GENERAL101 - Structure tree type of &3 changed from &1 to &2 ?

  The SAP error message DMC_GENERAL101 indicates that there has been a change in the structure tree type of a data object during a data migration or data transfer process. This error typically arises in the context of SAP Data Migration Cockpit (DMC) or similar data management tools when the structure of the data being processed does not match the expected structure defined in the system.
  
  Cause:
  The error message DMC_GENERAL101 is triggered when:
  
  The structure of the data being imported or processed has changed, meaning that the expected data format (type) does not match the actual data format.
  This can occur due to changes in the underlying data model, such as modifications in the source system or changes in the target system's data structure.
  It may also happen if there are inconsistencies in the mapping definitions or if the data source has been updated without corresponding updates in the target structure.
  
  
  Solution:
  To resolve the DMC_GENERAL101 error,