Hello,
Good to know that your problem is solved.
Just in case, if other user got the same kind of problem :
The message in the "check database" is not problematic if your users are already sync. It mostly indicate that it can't perform the verification.
But it also means that you have tables in your database with different collations and you might want to uniformise them.
Regards,
Jerome - Obsidev.com
HikaMarket & HikaSerial developer / HikaShop core dev team.
Also helping the HikaShop support team when having some time or couldn't sleep.
By the way, do not send me private message, use the "contact us" form instead.