Not able to create Intersection object record from smart action

Summary:

Target object record getting created using custom smart action from the Opportunity/Account object. But the Intersection object record not getting created with the smart action.

Content (please ensure you mask any confidential information): Two objects are involved here: OOTB 'Account' object and custom object called 'PURSUIT'. Both of these objects are linked using an intersection object called Pursuit Accounts.

We are trying to create a custom Pursuit record from the Account object using a smart action called Create Pursuit. This smart action opens up the Create Pursuit drawer and when we add the required details and then click CREATE, this creates a new Pursuit record as required.