I am trying to replace the existing document with new document but I'm getting this error . I'm using the primary key of the each record as target ,I configured the update as record action, and I cannot delete the existing record because that Id is used as main request id since the record is created with document upload.
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It sounds like a permissions issue rather than a problem with your record action configuration. When replacing an existing document, the system typically checks whether your profile has “Create Version” or edit access on that specific object or file, even if you’re targeting the correct primary key. Since the record is tied to a main request ID, deletion isn’t an option, so I’d recommend reviewing object permissions, file versioning settings, and sharing rules for your user role. If possible, test with an admin profile to confirm whether it’s purely privilege-related before adjusting your flow or update logic.