Improved error reporting #1514
Description
Is your feature request related to a problem? Please describe.
Errors are not surfaced visibly, as encountered when #1513 was discovered.
Describe the solution you'd like
Failure to save data should be shown modally, not buried behind an obscure button.
Describe alternatives you've considered
A clear and concise description of any alternative solutions or features you've considered.
Additional context
Sometimes a tough judgement call about which exceptions are important enough to surface modally.