When I analyzed the TSQL script, the tool incorrectly removed the comments which contains TSQL statements inside the comment.
/*
USE [MyDatabase];
IF EXISTS (SELECT * FROM sys.objects WHERE object_id = OBJECT_ID(N'[mySchema].[myProc]') AND type in (N'P', N'PC'))
DROP PROCEDURE [mySchema].[myProc];
GO
*/
turned into
*/