Find the cause of state update on unmounted components

[manzoorwanijk]

When a Datetime or Ticket is deleted, a warning is shown Can't perform a React state update on an unmounted component.

[manzoorwanijk]

It might be caused by the Entity context providers.

[nicolad]

Although this is an older article, it might shed some light: https://www.robinwieruch.de/react-warning-cant-call-setstate-on-an-unmounted-component

[tn3rb]

Fixed in #2034