Corona version 9
The model uses materials that may not be displayed correctly in very old versions of the engine.

Vintage Modular Sofa Corbi Trio
Designer Klaus Uredat
in the material of cream velvet corduroy Kirkby
https://betonbrut.co.uk/klaus-uredat-corbi-trio-sofa/ 
https://www.1stdibs.com/furniture/seating/sofas/klaus-uredat-corbi-trio-sofa-cor-germany-1969/id-f_25997692/ 

Dimensions of the module:700*1060*610 mm

Objects are partially attached textures and materials have logical names
TurboSmooth is open

For Corona render it is recommended to install a version not lower than 1.5 since the glossiness of materials is configured with PBR in mind.

Who works in a V-Ray version lower than 3.1 be careful there is a Microfaset GTR ( GGX) in the materials in the BRDF section if your version is older than 3.1 then the BRDF field will be empty. Choose Blinn Phong or Ward – which is preferable for you