LR is full of quirks and odd behavior (i.e. bugs?)
Tried to save a photo as a preset and got the attached error. Can anyone assist?
Please refer the below discussions.
?:0: attempt to call upvalue '?' (a nil value)
Let us know if that helps.
Unfortunately, that thread is unrelated to the problem reported here -- it's about a different error message caused by a plugin being developed by a programmer.
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