Contract is stuck in non editable mode (all fields are greyed out) with Negotiation Status as "Draft

Hi Team,

We have a custom process in which we are using below API's to copy a contract, make price adjustments, activate new contract if any and
either generate / terminate the future billing.

okc_copy_contract_pub.copy_contract
okc_time_util_pub.get_duration
okc_contract_pub.update_contract_header
okc_contract_pub.update_contract_line
okc_contract_item_pub.update_contract_item
okc_price_adjustment_pub.create_price_adjustment
okc_price_adjustment_pub.update_price_adjustment
okc_price_adjustment_pub.delete_price_adjustment
okc_version_pub.save_version
okc_qa_check_pub.execute_qa_check_list
okc_context.set_okc_org_context