数据库报错信息如下：
Incorrect table definition; there can be only one auto column and it must be defined as a key.
报错原因：某表从一个环境复制到另外一个环境，导致该表中id主键丢失。
解决办法：
根据提示信息：设为自增的字段必须是主键。把该表清空后，先设置id为主键，后设置自增。
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