Error when checking out with stockable items

[patykin]

I get this error eveytime I try to check out a stockable product
Fatal error: Cannot use string offset as an array in /home/pincat/public_html/plugins/vmcustom/stockable/stockable.php on line 438
I´m using VM 2.0.8e AIO is also updated to the same version and I can´t find a way to fix it, please help!