This issue occurs when you create a Client with the Status of "Company Other Than Domestic Company Or Government", and these Status are not according to the Income Tax Department.
So to resolve the issue , please Create a New Client Master With the Status of either of the one as per applicability "Artificial Juridical Person, Association of Persons (AOP), Association of Persons (Trust), Body Of Individuals (BOI), Co-Operative Society, Hindu Undivided Family, Individual, Local Authority, Partnership Firm, Private Limited or Public Limited".
This should resolved the issue.