Why am I getting this error message when I run Graxpert Background extraction in Siril 1.4 bata, Error: failed to save temporary FITS

First post on this forum, thanks in advance for any help given.
Why am I getting this error message when I run Graxpert Background extraction in Siril 1.4 bata, Error: failed to save temporary FITS.

Graham

Hello, maybe this is linked to Graxpert Background extraction seems to abort - 1.4.0-beta1 (#1573) · Issues · FA / Siril · GitLab

Thanks for the info, but still can’t solve the problem