Problems VM2.0.26d >> VM2.6.a

[dorkus]

It seems I am stuck updating the following site:
old
> joomla 2.5.20
> virtuemart 2.0.26d

new
> joomla 2.5.20
> virtuemart 2.6.a

i exported the 0.26d vm databases and imported them into the dev site -

problem is:
> products show up but i cannot edit them (vmError: Product store TableProducts: :store fehlgeschlagen!
Unknown column 'product_gtin' in 'field list' SQL=UPDATE `jos_virtuemart_products`)
> payment options do not work
> shipping options do not work

for the missing table i tried to update the tables using the tools, but the following error occurs:


can any1 help me please?

thanks so much!

[dorkus]

how do i import db for products from vm 2.0.26 to 2.6.2??

please, folks, some help.

how do you import older databases?