I submitted an abstract to a major conference in my field. I am presenting tomorrow at the virtual conference and the video is already uploaded, no conference proceedings were submitted. However, today, I came across a major issue with the modeling technique used in my research. This might be seriously challenged tomorrow. Also, this might influence the conclusion of the results as well.
How do I answer if the issues with my modeling strategy are questioned during my presentation? I can't remove my talk at the last moment. I am worried that I will be ridiculed tomorrow.
What can I do?