mysql General error: 1267 Illegal mix of collations錯誤

show variables where Variable_name like 'collation%';

 

+----------------------+-----------------+
| Variable_name        | Value           |
+----------------------+-----------------+
| collation_connection | utf8_general_ci |
| collation_database   | utf8_general_ci |
| collation_server     | utf8mb4_general_ci|
+----------------------+-----------------+

 

 

[mysql]
default-character-set = utf8mb4

[mysqld]
character-set-server = utf8mb4
collation-server = utf8mb4_unicode_ci