Yes, an error in the file name
/ youtu.be / 6l-gIfbLEXw works what Shed posted
the original post is / youtu.be / 61-glfbLEXw
notice the incorrect file name starts with "sixty one" instead of "six "L"" (The L is lower case actually)
Copy and paste is your friend.... an "L" in lower case looks very similar to a "1" in some fonts.
Greg