Objects and package components can be referenced in Dataflows, generally as the target of an sfdcDigest node, but this may also occur if an older version of a Dataflow referenced the object or package components at some point. This will prevent those entities from being deleted through the Setup interface.
Example: When deleting a custom object, Salesforce displays an error indicating the object is in use by a Dataflow. The message reads: This custom object is used by another feature — Section: Dataflow. The Dataflow object ID begins with 02K and can be retrieved from the error link URL.
{ }
Reset the Dataflow Definition JSON in CRM Analytics
https://help.salesforce.com/s/articleView?id=000385765&type=1
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