OS Catalina ISO creation error

Last login: Wed Oct 21 18:29:30 on ttys000
/Users/One/Downloads/macOS-toolkit-master/toolkit/macOS_Mojave_ISOMaker.sh ; exit;
iMac-di-luigi:~ One$ /Users/One/Downloads/macOS-toolkit-master/toolkit/macOS_Mojave_ISOMaker.sh ; exit;

Welcome to macOS Catalina ISO creator tool

Have you downloaded the macOS Catalina installer from app store? y

Creating and mounting a disk image...

created: /tmp/Catalina.cdr.dmg
/dev/disk2          	Apple_partition_scheme
/dev/disk2s1        	Apple_partition_map
/dev/disk2s2        	Apple_HFS                      	/Volumes/install_build

Copying downloaded files to our disk image and moving it to the Desktop...

Password:
Ready to start.
To continue we need to erase the volume at /Volumes/install_build.
If you wish to continue type (Y) then press return: y
Erasing disk: 0%... 10%...
Error erasing disk error number (22, 0)
An error occurred erasing the disk.
hdiutil: detach failed - File o directory inesistente

Converting the disk image to an ISO file and cleaning up...

hdiutil: convert failed - Resource temporarily unavailable
mv: rename /Users/One/Desktop/Catalina.iso.cdr to /Users/One/Desktop/Catalina.iso: No such file or directory

All done! You should have Catalina.iso on One's Desktop now.

logout
Saving session...
...copying shared history...
...saving history...truncating history files...
...completed.

[Processo completato]