Please try using the instructions below and then try again.
Mobile app:
If your device is running Android - clear the app cache (Settings → Applications → All apps → Libertex → Clear data → Clear cache) and then restart your device. If the difficulty is not fixed - please uninstall and reinstall the app from the mobile app store.
If your device is running iOS - try to change the network access point (switch to WiFi network or vice versa to mobile internet). If the difficulty is not fixed - please uninstall and reinstall the app from the mobile app store.
Try out the action in the web version.
Mobile Browser:
Try changing the network access point (switch to Wi-Fi network or vice versa to mobile internet).
Reboot the device.
Perform a browser history and cache cleanup.
Use the Incognito mode in your browser.
Computer:
Clear the cache/cookies in your Internet browser settings and refresh the platform page. See this page for instructions on how to clear it.
Временно отключите антивирус / брандмауэр или любое другое защитное программное обеспечение. После этого обновите страницу платформы.
Temporarily disable antivirus / firewall or any other security software. After that, refresh the platform page.
Use the Incognito mode in your browser.
Device settings:
Check the SMS receiving settings on your device.
Check whether there is a ban on receiving SMS from certain message recipients (you can check the correct settings and information about bans with your service provider).
Make sure that your device has enough memory for text messages.
Turn the phone off, remove the SIM card, then insert it again, turn the phone on and try again.