**Acceptance Criteria**: - On every network request, when there is an error, the user is presented with [toast](https://material-ui.com/components/snackbars/) - On `4xx` error, users should be asked to change the form - On `5xx` error, user should be asked to try again later.
Acceptance Criteria:
4xxerror, users should be asked to change the form5xxerror, user should be asked to try again later.