Partner NPGRL can't upload files

Partner NPGRL can click on "Upload File", select the "File" but no file get's uploaded:

This is the error:

catalog.73bfae5b4ae2be8f2df7.js:38 POST https://catalog.demo.genesys-pgr.org/proxy/api/v0/dataset/03ef9dda-78e8-4272-b027-f3434fb92a4f/files/add 500 (anonymous) @ catalog.73bfae5b4ae2be8f2df7.js:38 e.exports @ catalog.73bfae5b4ae2be8f2df7.js:38 e.exports @ catalog.73bfae5b4ae2be8f2df7.js:38 Promise.then (async) Axios.request @ catalog.73bfae5b4ae2be8f2df7.js:38 (anonymous) @ catalog.73bfae5b4ae2be8f2df7.js:32 value @ catalog.73bfae5b4ae2be8f2df7.js:16 (anonymous) @ catalog.73bfae5b4ae2be8f2df7.js:5 (anonymous) @ catalog.73bfae5b4ae2be8f2df7.js:38 (anonymous) @ catalog.73bfae5b4ae2be8f2df7.js:1 FilesForm.e.upload @ catalog.73bfae5b4ae2be8f2df7.js:60 ia @ catalog.73bfae5b4ae2be8f2df7.js:24 invokeGuardedCallback @ catalog.73bfae5b4ae2be8f2df7.js:32 invokeGuardedCallbackAndCatchFirstError @ catalog.73bfae5b4ae2be8f2df7.js:32 za @ catalog.73bfae5b4ae2be8f2df7.js:24 Da @ catalog.73bfae5b4ae2be8f2df7.js:24 Fa @ catalog.73bfae5b4ae2be8f2df7.js:24 Ba @ catalog.73bfae5b4ae2be8f2df7.js:24 Ia @ catalog.73bfae5b4ae2be8f2df7.js:24 Ja @ catalog.73bfae5b4ae2be8f2df7.js:24 Gd @ catalog.73bfae5b4ae2be8f2df7.js:24 bi @ catalog.73bfae5b4ae2be8f2df7.js:24 Wb @ catalog.73bfae5b4ae2be8f2df7.js:24 Ld @ catalog.73bfae5b4ae2be8f2df7.js:24 catalog.73bfae5b4ae2be8f2df7.js:38 app:log Save error +4s Error: Request failed with status code 500 at e.exports (catalog.73bfae5b4ae2be8f2df7.js:38) at e.exports (catalog.73bfae5b4ae2be8f2df7.js:38) at XMLHttpRequest.p.(anonymous function) (https://catalog.demo.genesys-pgr.org/catalog.73bfae5b4ae2be8f2df7.js:38:1177) catalog.73bfae5b4ae2be8f2df7.js:5 Backend API request to /api/v0/partner/list-mine?l=50 catalog.73bfae5b4ae2be8f2df7.js:5 Backend API request to /api/v0/partner/list-mine?l=50 catalog.73bfae5b4ae2be8f2df7.js:38 app:log Saving form +34s catalog.73bfae5b4ae2be8f2df7.js:38 app:log Go to step +96ms edit/files