我收到以下错误
Cannot execute as the database principal because the principal "dbo"
does not exist, this type of principal cannot be impersonated,
or you do not have permission.
我读到了ALTER AUTHORIZATION,但我不知道这是发生了什么数据库.这个错误很频繁地吐出来,并且每天将错误日志增加大约1GB.