Comment #0 by pro.mathias.lang — 2018-07-24T07:39:47Z
When `opApply` cannot infer the arguments, it gives this very obscure error message, leaving the developer with little to no idea as to what went wrong.
It should be improved to show why the inference was not possible.
Comment #1 by robert.schadek — 2024-12-13T18:59:49Z