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Can't upgrade from 2.1.11 to 2.2 quote_item_option corrupt?

Can't upgrade from 2.1.11 to 2.2 quote_item_option corrupt?

Hi All,

 

I'm hoping someone can help as we're totally stuck trying to upgrade to 2.2 from 2.1.11. When we do the upgrade it errors out because it can't unserialize the values in option_id of the quote_item_option table.

 

I'm not a developer but on my investigation of the values it seems they are corrupt, for example:

 

a:5:{s:4:"uenc";s:56:"aHR0cDovL3d3dy5hYmxlLWVuZ3JhdmVycy5jb20vZ3gtcHJvLmh0bQ,,";s:7:"product";s:4:"4767";s:7:"options";a:1:{i:426;s:3:"977";}s:3:"qty";s:1:"1";s:15:"related_product";s:8:"1

 As you can see there are 7 characters missing, as well as the closing quotation mark, the ; and the closing }. How can we fix this? Any tips would be VERY greatly appreciated!