Message type: E = Error
Message class:  FINS_CNTACT - Message Accounting Principle Violation 
Message number: 018
Message text: Hierarchy data can not empty!
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The SAP error message FINS_CNTACT018 indicates that the hierarchy data cannot be empty. This error typically occurs in the context of financial transactions or when working with the SAP Controlling (CO) module, particularly when dealing with cost centers, profit centers, or other hierarchical structures.
Cause: The error is triggered when a required hierarchy structure is not provided or is incomplete. This can happen due to several reasons: Missing Hierarchy Assignment: The hierarchy that is supposed to be assigned to a particular object (like a cost center or profit center) is not defined or is missing. Incorrect Configuration: The configuration settings for the hierarchy might not be set up correctly in the system. Data Entry Error: During data entry, the user may have left the hierarchy field blank or entered an invalid value.
Solution: To resolve the error, you can take the following steps: Check Hierarchy Assignment: Navigate to the relevant transaction where the error occurred. Verify that the hierarchy is
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