VERR_PATH_NOT_FOUND opening a vm after adding it to virtualbox

I have a .vdi file moved from a pc. Copied and pasted to my current host pc, and added it to virtual box. However, when i start the vm it produced the following error:

Could not open the medium 'D:\VM\  Testing Environment\virtualmac.vdi'.

VD: error VERR_PATH_NOT_FOUND opening image file D:\VM\Testing Environment\virtualmac.vdi' (VERR_PATH_NOT_FOUND).

Result Code: E_FAIL (0x80004005)
Component: MediumWrap
Interface: IMedium {ad47ad09-787b-44ab-b343-a082a3f2dfb1}