We are using C++ to communicate with a spicedb that persists in a mysql. when trying to check for permissions we are always getting an sql failure. error performing check: unable to query tuples: Error 1267: Illegal mix of collations (latin1_swedish_ci,IMPLICIT) and (utf8mb4_general_ci,COERCIBLE) for operation '=' But our strings in c++ are actually encoded with utf-8. Anyone has any Idea what we are doing wrong ?