Illegal mix of collations (latin1_swedish_ci,IMPLICIT) and (utf8mb4_general_ci,COERCIBLE) for operation 'like':

SELECT wfp_produse.*, wfp_users.rank FROM wfp_produse, wfp_users WHERE wfp_users.user_id = wfp_produse.user_id AND wfp_produse.keywords like '%transfer aeroport Timişoara%' AND wfp_produse.is_active = 'Da'