(1 row affected) Msg 2812, Level 16, State 62, Line 3547 Could not find stored procedure 'dbo.temp_generate_sename'. Msg 515, Level 16, State 2, Line 3560 Cannot insert the value NULL into column 'Slug', table 'dbname.dbo.UrlRecord'; column does not allow nulls. INSERT fails. The statement has been terminated. Msg 2812, Level 16, State 62, Line 3576 Could not find stored procedure 'dbo.temp_generate_sename'.
It's only a problem if you see errors after it tries to create the stored procedure. If it fails to create the procedure, then any attempt to execute it later will fail.