Not able to add multiple feature values to the cart, then this can be corrected as set out below...
1. Open up shopproductfeaturesprocess.asp in a text editor.
Locate the following lines at around line 74
'800 - 2016.01.08 - Bug Fix: Required feature is ignored while adding to cart in product listings page
'featurevalue = CleanChars(request(featurevaluename))
if cdbl(Request(featurevaluename).count) >= 2 then
featurevalue = CleanChars(request(featurevaluename)(1))
if featurevalue = GetLang("langCommonSelect") then
if trim(featurevalue) = "" then
on error resume next
featurevalue = CleanChars(request(featurevaluename)(2))
on error goto 0
end if
end if
else
featurevalue = CleanChars(request(featurevaluename))
end if
replaced above lines to:
'800 - 2016.01.08 - Bug Fix: Required feature is ignored while adding to cart in product listings page
'800 - 2016.06.07 - Bug Fix : Not able to add multiple feature values from v8.1.0.1 onwards
featurevalue = CleanChars(request(featurevaluename))
' if cdbl(Request(featurevaluename).count) >= 2 then
' featurevalue = CleanChars(request(featurevaluename)(1))
' if featurevalue = GetLang("langCommonSelect") then
' if trim(featurevalue) = "" then
' on error resume next
' featurevalue = CleanChars(request(featurevaluename)(2))
' on error goto 0
' end if
' end if
' else
' featurevalue = CleanChars(request(featurevaluename))
' end if
3. Save and test.