How to signal error when pasting descriptors in descriptors list
When importing descriptors in descriptor lists by copying and pasting the records from an Excel file, step 3 will display the parsed records, but will not indicate whether any of the records have an error, such as missing required field, for instance. So when you go to step 4 the records with errors will not be displayed. If you copy many descriptors it will be difficult to identify which ones had errors. It would be useful to have an error indication in the cards (of step 3) that cannot be added to the database. Something in the line of https://material-ui.com/demos/snackbars/.