Safari’s Debug console is a powerful tool that can help us identify the cause of the errors (displayed in red) and speed up finding the solution. We'll be needing your help in performing the steps below so we can better assist you. 

You must first allow the Develop menu in menu bar before accessing the console:

Then, you just need to open the console selecting Develop Menu > Show JavaScript Console (or Right click > Inspect Element):

 Then you will have to look for the "Console" tab.