错误代码：1241。操作数应在INSERT中包含1列

Question

我正在尝试运行此命令

insert into supply_kit (processor_id, supply_id, amount) values (3, 1, 0);  

此表

并收到错误消息：
insert into supply_kit (processor_id, supply_id, amount) values (3, 1, 0) Error Code: 1241. Operand should contain 1 column(s) 0.000 sec

我做错了什么？