There are not currently any low-cost airline routes between Tenerife (Sur) and Berlin (Brandenburg) with easyJet.
Instead you could try browsing budget flights between Tenerife (Sur) and Berlin (Brandenburg) with all airlines.
Another option would be to try browsing all low-cost airline routes to Berlin (Brandenburg) or all budget routes from Tenerife (Sur).
In the meantime, this error has been logged.