error uploading picture

currently when i go to any of my products, click on "data" tab and where it sais image, click on "upload". It does not allow me to upload any image. it keeps giving me this error when i try to save:

Warning: Failed to move file!

Please help!!

Hello Moussa,

I think this issue related to the folder/file permission on your site. Please following up my answer in the ticket system.

Sincerely, Giang