Message type: E = Error
Message class:  SADL_GW_DT_SB_UI - Gateway Service Builder UI Integration for SADL 
Message number: 055
Message text: Clean-Up not possible (see longtext)
The Project contains only one invalid Entity.
After the Clean-Up the project will be empty, which cause a dump in the
Service Builder.
First import a valid Entity and select it. Try the Clean-Up again.
If the project is no longer required delete the project.
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message SADL_GW_DT_SB_UI055 with the description "Clean-Up not possible (see longtext)" typically occurs in the context of the SAP Gateway and the SAP Data Access Layer (SADL). This error can arise when there are issues related to the data model or the underlying data access logic.
Cause: Data Model Issues: The error may be caused by inconsistencies or issues in the data model that prevent the clean-up operation from being executed. Authorization Issues: The user may not have the necessary authorizations to perform the clean-up operation. Technical Errors: There could be technical issues such as database locks, missing data, or other system-related problems that prevent the clean-up.
Configuration Issues: Incorrect configuration of the SADL or Gateway settings may lead to this error.
Solution: Check Long Text: First, check the long text of the error message for specific details about the issue. This can provide more context on what is causing the error. Review Data Model: Ensure
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