Contrib-s7 error when adding variables

Whenever I try to add any variables to my S7 node, I get this error:

error [0x8104]

My PLC is an S7-1200 1214C DC/DC/RLY

The node will read "Online" without any variables and no errors are posted in the debug.
As soon as I add any variables to the PLC, I starts spamming the error in the picture in the debug,
and I'm not able to read or write to the variable.

I'm stupid.
I forgot to enable PUT/GET in the CPU module.

No problem in the end.

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