Getting an error error: invalid flag

getting error: invalid flag: ./starting Usage: javac use --help for a list of possible options replit
Repl link/Link to where the bug appears:
https://replit.com/@dannyC9/socialGUI#starting%20code%20for%20P2/p2/ui/GUI.java
Screenshots, links, or other helpful context:
image

code snippet

Your folder name “starting code for P2” cannot have spaces in it. That fixed this problem for another project that I was working on.