Message type: E = Error
Message class:  SDCBO - Dictionary Structured Objects 
Message number: 038
Message text: Node &: External attribute & is deleted (append & will be deleted)
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The SAP error message SDCBO038 indicates that an external attribute in a data model has been deleted, and as a result, any associated append will also be deleted. This error typically occurs in the context of SAP BusinessObjects or SAP Data Services when working with data models, data flows, or data transformations.
Cause: Deletion of External Attribute: The primary cause of this error is that an external attribute (which could be a field or a column from a source system) has been removed from the data model or the source system. Dependency Issues: If there are dependencies on this external attribute in other parts of the data model (like transformations, mappings, or append operations), those dependencies will also be affected. Model Changes: Changes made to the data model, such as renaming or removing fields, can lead to this error if the changes are not properly managed.
Solution: Review Changes: Check the data model and identify where
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