Error executing DDL "alter table sys_role_menu add constraint FKf3mb报错了?

执行DDL时出错alter tablesys _ role _ menu添加约束fkf3mb报告了一个错误？执行DDL时出错alter tablesys _ role _ menu添加约束fkf3mb报告了一个错误？简介:hibernate:alter table sys _ role _ menu add constraint fkf 3 mud 4 qoc 7a ye w8 nml 4 pl kevo外键(menu _ id