Need to update predecessor and successor for a task on Project Management Screen using Rest API

Summary:

W

e need to create or update a dependency, where we have to define a predecessor and successor for a task of a project. So we are using the below API:

POST: /fscmRestApi/resources/11.13.18.05/projectPlans/{ProjectId}/child/TaskDependencies

But the problem we are facing is that we are getting a 404 error in POSTMAN while running this API's for creating a successor and predecessor relation. I have provided the sample payload for both of them respectively ,as well as attached the error screenshot. Kindly provide your update on how to make it work Also attaching the screenshot from Oracle Fusion front-end screen to show which fields we are trying to update.