OpenLearn has an extensive help service, including frequently asked questions https://www.open.edu/openlearn/about-openlearn/frequently-asked-questions-on-openlearn and the ability to contact OpenLearn directly at https://www.open.edu/openlearn/get-started/contact-openlearn.
If your question is related specifically to B-Smart and access via the https://b-smart.birmingham2022.com/ link, contact the technology service desk for connectivity issues or email kerrie.nash@birmingham2022.com for general enquiries.