Facebook error! Trying to get property 'facebook_lookalike_id' of non-object.

The "facebook_lookalike_id' of non-object" error message suggests that the segment you are attempting to create a lookalike audience from has a small number of customers. As a result, Facebook cannot generate a lookalike audience and, consequently, cannot accept launching the campaign. To address this error, it is crucial to ensure that the segment you are using to create the lookalike audience contains a sufficient number of customers for Facebook's algorithm to generate accurate and effective audience targeting.