It's my first app after my studies, I try to make an app for homes, it's all done except the final step, integrate payment gateway (epayco) have their SDK . I download and install the dependencies as they say, but it throws the error in the image ] 3
I appreciate your help, as I told you it is my first project so I do not know how to install it completely and start receiving payments so if someone who knows how to integrate this SDK into my project.