当我运行我的 grails 应用程序时,我收到 schemaUpdate 失败错误;
hbm2ddl.SchemaUpdate Unsuccessful: alter table lifecycle add index FKEDFAE76ABF1565B0 (round_up_emailed_updated_by_id), add constraint FKEDFAE76ABF1565B0 foreign
key (round_up_emailed_updated_by_id) references user (id)
hbm2ddl.SchemaUpdate Too many keys specified; max 64 keys allowed
hbm2ddl.SchemaUpdate Unsuccessful: alter table lifecycle add index FKEDFAE76A166A0DC5 (training_advice_telecommunicated_updated_by_id), add constraint FKEDFAE76A1
66A0DC5 foreign key (training_advice_telecommunicated_updated_by_id) references user (id)
hbm2ddl.SchemaUpdate Too many keys specified; max 64 keys allowed
hbm2ddl.SchemaUpdate Unsuccessful: alter table lifecycle add index FKEDFAE76AA40386D9 (laptops_arranged_actor_id), add constraint FKEDFAE76AA40386D9 foreign key (
laptops_arranged_actor_id) references role (id)
hbm2ddl.SchemaUpdate Too many keys specified; max 64 keys allowed
这是什么意思?是什么导致了这个错误?