C0 has lots of problems with other LCCs, they are going to close GDN-EDI because of easyJet's new route and they opened SZZ-EDI - maybe in stead of GDN.
Have C0 announced yet they are axing EDI-Gdansk?
Based on their slots at EDI, Szczecin is meant to be operated with the Gdansk based aircraft that does EDI-Gdansk