404 errors on testing the project

[dhruvalraval]

After drag & drop the obj and mtl file at once and on saving the project it sometimes throws errors in uploading assets and sometimes it allows to save the assets into the project after creating nft marker link for the component - ArTrackable2D and testing it 404 errors pop for every file.

ON SUCCESGULLY SAVING:

ON TESTING LINK:

Please help it out!