Hi,
Would it be possible to have a link to your product page in order to see and test the issue directly ?
If you can send us a screenshot of the module configuration too, it will be great.
That module pagination can use javascript in order to work properly, maybe a javascript error is blocking the process.
Or maybe some data is submitted but the module is not reacting properly depending his current configuration.
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.