Relationship Issue - Ambiguity

Hi,

I have the following relationships established:

In order for my measurements and data fields to work I need a two way relationship between Assigned Employers and Learner and an active one way with Employer and Activities.

Unfortunately I cannot enable a two way relationship without deactiving the relationship between employer and activities. The error it is igiving me is that it would create ambiguity etween the Employer and the learner table.

Is there any way around this?

Thanks