I have a bit of similar problem with the PLC.
Safex C15 is appearing to the datalayer realtime, but I can't add it to the PLC (nothing happens when I try to move it on the PLC project).
All other devices are possible to be moved on the project. Only workaround is to select 'Insert all data to ctrlX Core again', but it gives error (see the image) and all data is unusable on the Safex.
I'm using PLC engineering version 1.16.1 and I have been able to do these steps before, but now something seems to block it.
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