When this happens, it is caused by breakpoints in the project, so all breakpoints in the project should be canceled first;
Click "window", then click "preferences", select "key" in "General" in the pop-up form, then enter "remove" in the uppermost input box on the right, and then select "remove All Breakpoints", Enter the shortcut key in the "binding" input box below; finally save;
Then find any page in the problem project and use the shortcut key just now to cancel all breakpoints; then the project can run