[RUST] I don't understand this "Could not process model" error

Created by: dvaerum

Description

I am trying to create a rust lib client for MatterMost using openapi-generator as a base, but I keep running in to this error with I understand nothing of 😞

Could not process model 'inline_object_43'.Please make sure that your schema is correct!

and I have no idea what to do, can someone point me in the right direction. Plz keep in mind that I am new to openapi and this tool

openapi-generator version

I encounter the problem in version 3.3.1 and 4.0.0-SNAPSHOT

OpenAPI declaration file content or url

The OpenAPI file can be found here or direct link

Command line used for generation

I just select the language rust and file mattermost-openapi-v4.yaml

java -jar openapi-generator-cli.jar generate -g rust -i mattermost-openapi-v4.yaml -o test

Steps to reproduce

Download the mattermost-openapi-v4.yaml file
Run the command

Related issues/PRs

The only case I could find with a similar error is here https://github.com/OpenAPITools/openapi-generator/issues/409 and I still don't understand how that error is used to find the problem

Suggest a fix/enhancement

Better error description, maybe link to documentation