Alireza Alinia

I had the same problem and it was because of defining a relation as `ApiSubresource` which the target entity wasn't `ApiResource`

+1

@WiXSL I'm trying to use [https://github.com/WiXSL/react-admin-date-inputs/tree/mui-pickers-v3](https://github.com/WiXSL/react-admin-date-inputs/tree/mui-pickers-v3 ) but it has an error: ``` ./node_modules/react-admin-date-inputs/lib/index.js Module not found: Can't resolve 'material-ui-pickers/utils/MuiPickersUtilsProvider' in '/usr/src/admin/node_modules/react-admin-date-inputs/lib' ``` I use yarn and added the package...

> "react-admin-date-inputs": "github:WiXSL/react-admin-date-inputs#mui-pickers-v3" Tried it. Here is the result: ``` yarn install v1.22.4 [1/4] Resolving packages... info There appears to be trouble with your network connection. Retrying... info There appears...

@WiXSL I also was wondering if the support for [Jalaali/Hijri calendar systems](https://material-ui-pickers.dev/localization/calendar-systems#jalaali-calendar-system) can be added?

> Your getting an error on your side `info There appears to be trouble with your network connection. Retrying...`. @WiXSL I think it's because of `github:WiXSL/react-admin-date-inputs#mui-pickers-v3` part. somehow it's not...