file name becomes empty

[Former user]

https://eo.wikipedia.org/w/index.php?title=Croglio&diff=next&oldid=7239520

CD claims to replace a file name with a different file name, but actually replaces it with an empty string, resulting in syntax error. Multiple occurrence of this error yesterday on Esperanto Wikipedia.

Sincerely, user Moldur, https://eo.wikipedia.org/wiki/Uzanto:Moldur