NoMethodError (undefined method `file_identifier' for #<Document:0x27117a8>): about attached

[ksylvest]

Hi Yassine.

Thanks for the detailed overview. The error is occurring because your database doesn't have the correct columns. In order for attached to work you need: 'file_identifier' (string), 'file_extension' (string) and 'file_size' (integer). Substitute the name of the file within the application for 'file' (example: 'avatar_identifier', 'avatar_extension' and 'avatar_size'). In your migration you can use the 'attachment' type to generate all three columns at once (see read me). If this doesn't fix your problem feel free to reopen the issue!