You may find more info, how to setup Paysera payment gateway in eshoprent if you open the link below:
https://www.eshoprent.com/lt/vartotojo-gidas/paysera-lt-apmokejimas-per-bankus
Additional information:
* Please place the Paysera logo in a prominent place of your website, such as the footer. The Paysera logo can be downloaded in various formats from HERE.
* Add additional host to your Paysera project URL list, which sometimes is used by eshoprent.com system: https://[YOUR_CREATED_NAME].myeshoprent.com.