UNVERIFIED SOLUTION i

Error: "The Confirm Database Map Layer is no longer registered in Confirm"

Issue

On the Map Workspace Manager screen Layers are highlighted in red and cannot be registered.
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Cause

This is happening because 'Do not use Confirm Database Map Layer' option is ticked on the Feature Group screen.
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Resolution

UPDATED: August 21, 2018
To rectify this issue find the Feature Group related to affected Map Layer and tick 'Use Confirm Database Map Layer'.