Conversion error occurred when inputting Japanese

If you enter Japanese input (Romanization) on the Newresources screen, the converted characters will be duplicated.
Although the first character is correctly converted, the second character is the first character + the second character, the third character is the first character + the second character + the third character, …

Is it possible to fix it?

screen

This willbe fixed in the next minor update.
The issue is tracked in this ticket: https://github.com/bardsoftware/ganttproject/issues/1443