Mautic API Problem


I really need some help on the error explained in the attached image. Please anyone who has used the API Mautic could give me a hint?

Link to image: https://www.dropbox.com/s/9l2xwaosl45a3kh/MauticErrorAPI.jpg?dl=0

I really need some help on the error explained in the attached image. Please anyone who has used the API Mautic could give me a hint?

Link to image: https://www.dropbox.com/s/9l2xwaosl45a3kh/MauticErrorAPI.jpg?dl=0

Use Composer. The readme for the api library must be updated that way.

Thank You!