Anvil Runtime Engine: This app may be misconfigured. The following error occurred: App dependency not found

[nickantonaccio]

This is some code that may be useful to dump to json:

Local database management clarification

Here’s some code I’ve used to export and import multiple data tables, each with more than 100 columns, which included every type except media objects and links. It properly handles None values (which can be troublesome, with default CSV dumps generated by Anvil), empty values, text, number, boolean, date, datetime, and simple objects (you should be able to add media objects by encoding to base64, for example). Notice that the import routine wipes the datatable with table.delete_all_rows(), so …

I’ve found json to be less troublesome than CSV in several cases.