I was trying to load a PDF report.
Instead the report briefly opens and then is closed. The error message pops up:
TypeError: Argument 1 ('target') to MutationObserver.observe must be an instance of Node
observe
(anonymní funkce) — CScreen.tsx:69
Iu — react-dom.production.min.js:262:359
(anonymní funkce) — scheduler.production.min.js:18:343
(anonymní funkce) — react-dom.production.min.js:261:215
R — scheduler.production.min.js:16:226
(anonymní funkce) — scheduler.production.min.js:12:346