ERROR IN: select count(termin_ID) from `phpkit_termine` where `termin_REPEAT`='w�chentlich' AND `termin_aktiv`=''

illegal mix of collations (latin1_swedish_ci,implicit) and (utf8mb4_general_ci,coercible) for operation '='
ERROR IN: SELECT `termin_USERID` FROM `phpkit_termine` WHERE `termin_USERID`='0' AND `termin_aktiv`='' AND `termin_REPEAT`='w�chentlich' LIMIT 1

illegal mix of collations (latin1_swedish_ci,implicit) and (utf8mb4_general_ci,coercible) for operation '='
Illegal mix of collations (latin1_swedish_ci,IMPLICIT) and (utf8mb4_general_ci,COERCIBLE) for operation '='