title: CRM Allow duplicate records N:N relationship
body: <p>I have two entities "A" and "B", where B is a related entity to the parent A. The relationship type is N:N relationship, and I want to add multiple instances of a record from "B". For example I want two instances of the "B_1" record under the record of "A". How can I achieve this?</p>
  
  <p>CRM does not allow it and gives the error:
  "A record with these values already exists. A duplicate record cannot be created. Select one or more unique values and try again.</p>