Originally Posted by NickosD
tried reinstalling, re flashing gapps, re adding the account. next?
Did you install it from the Play Store or just from the Gapps?
You can try dirty flashing the rom and Gapps again (wipe /system, and caches, but leave /data alone). If that doesn't work, then just a total reinstall of everything after giving it a complete wipe would be the last step.