Update record logic: “PATCH: 400 Bad request”

After a 1 year pause, I’m testing an app (built early 2013) with the now SAP Build Apps and all Update record logics no longer work and throw “TypeError: Cannot call a class constructor without |new|” (mobile preview), and in dev tool: “PATCH: 400 Bad request”. Why did it used to work, and no longer does?

Anyone able to share a diagnostic? Where can i learn the new way to use the Update record logic? 🤔

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