sql2022 复制 事务级别发布后无法删除

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.

用SA用户登录执行下列语句

USE [xxxxx]
GO
EXEC dbo.sp_changedbowner @loginame = N'sa', @map = false
GO

-- 删除事务发布
use [IMIOTDB_CS]
exec sp_droppublication @publication = N'MMMMM'
GO