Need some help in debugging this exported script

Question

Below is DDL generated by visio forward engineering tool . The example below consists of 2 test tables with one foreign key.
Forward engineering generated DDL script
IF EXISTS (SELECT * FROM sys.objects WHERE object_id = OBJECT_ID(N'[dbo].[Table1]') AND type in (N'U'))
DROP TABLE [dbo].[Table1]
GO
CREATE TABLE [dbo].[Table1] (
[test] CHAR(10) NOT NULL
, [test2] CHAR(10) NULL
GO
ALTER TABLE [dbo].[Table1] ADD CONSTRAINT [Table1_PK] PRIMARY KEY CLUSTERED (
[test]
GO
GO
IF EXISTS (SELECT * FROM sys.objects WHERE object_id = OBJECT_ID(N'[dbo].[Table2]') AND type in (N'U'))
DROP TABLE [dbo].[Table2]
GO
CREATE TABLE [dbo].[Table2] (
[test2] CHAR(10) NOT NULL
GO
ALTER TABLE [dbo].[Table2] ADD CONSTRAINT [Table2_PK] PRIMARY KEY CLUSTERED (
[test2]
GO
GO
ALTER TABLE [dbo].[Table1] WITH CHECK ADD CONSTRAINT [Table2_Table1_FK1] FOREIGN KEY (
[test2]
REFERENCES [dbo].[Table2] (
[test2]
GO
GO
When i converted this DDL script using scratch editor the migration tool gave some errors can anyone help me to resolve below
DECLARE
v_temp NUMBER(1, 0) := 0;
BEGIN
BEGIN
SELECT 1 INTO v_temp
FROM DUAL
WHERE EXISTS ( SELECT *
FROM objects
WHERE OBJECT_ID_ = NULL/*TODO:OBJECT_ID(N'[OPS].[Table1]')*/
AND TYPE IN ( N'U' )
EXCEPTION
WHEN OTHERS THEN
NULL;
END;
IF v_temp = 1 THEN
TRUNCATE TABLE Table1;
END IF;
END;
CREATE TABLE Table1
test CHAR(10) NOT NULL,
test2 CHAR(10)
ALTER TABLE Table1
ADD
CONSTRAINT Table1_PK PRIMARY KEY( test );
--SQLDEV:Following Line Not Recognized
DECLARE
v_temp NUMBER(1, 0) := 0;
BEGIN
BEGIN
SELECT 1 INTO v_temp
FROM DUAL
WHERE EXISTS ( SELECT *
FROM objects
WHERE OBJECT_ID_ = NULL/*TODO:OBJECT_ID(N'[OPS].[Table2]')*/
AND TYPE IN ( N'U' )
EXCEPTION
WHEN OTHERS THEN
NULL;
END;
IF v_temp = 1 THEN
TRUNCATE TABLE Table2;
END IF;
END;
CREATE TABLE Table2
test2 CHAR(10) NOT NULL
ALTER TABLE Table2
ADD
CONSTRAINT Table2_PK PRIMARY KEY( test2 );
--SQLDEV:Following Line Not Recognized
ALTER TABLE Table1
ADD
CONSTRAINT Table2_Table1_FK1 FOREIGN KEY( test2 ) REFERENCES Table2 (test2)
--SQLDEV:Following Line Not Recognized
;

Answer 1

Pl do not post duplicates - Need some help in debugging this script