Message type: E = Error
Message class:  ARBFND_CFG - Message class configuration foundation 
Message number: 106
Message text: Error deleting end point ID &1; it is still used in Customizing
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The SAP error message ARBFND_CFG106 indicates that there is an attempt to delete an endpoint ID that is still being referenced in the system's Customizing settings. This typically occurs in the context of SAP's Application Response Monitoring (ARM) or similar configurations where endpoints are defined for various services or applications.
Cause: The error arises because the endpoint ID you are trying to delete is still in use. This could be due to: Active References: The endpoint is still referenced in one or more Customizing settings, such as in monitoring configurations, alerts, or other related setups. Dependencies: There may be other components or configurations that depend on this endpoint, preventing its deletion.
Solution: To resolve this error, you can follow these steps: Identify References: Check where the endpoint ID is being used. You can do this by navigating to the relevant Customizing transactions or using transaction codes like SPRO to access the Customizing settings. Look for any monitoring configurations, alerts,
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