Oracle to SQL server Migration Assessment through SSMA

Hi,

i am planning to migrate Oracle 11g to MS SQL Server 2016,

hence i performed Pre-Migration  assessment through SSMA.

I received final conversion report on SSMA, But with Numerous Number of Errors.the report states that it will require 1263.6hours for manual conversion from Oracle to SQL

Please help me, how shall i resolve these errors with minimum  manual conversion time.

Attached are the screenshot for the same.

Appreciate your Help 

Thanks,

Amit