Write() failed: No space left on device, but I have plenty of swap

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Building module gsl in /home/kev/Desktop/Software/Flatpak/com.github.buddhi1980.mandelbulber2/.flatpak-builder/build/gsl-2

error: Failed to write file “/run/user/1000/.flatpak/1493562964/info.B2ST60”: write() failed: No space left on device
Error: module gsl: Child process exited with code 1
kev@localhost:~/Desktop/Software/Flatpak/com.github.buddhi1980.mandelbulber2> free -h
total used free shared buff/cache available
Mem: 7.1Gi 6.3Gi 129Mi 309Mi 738Mi 283Mi
Swap: 31Gi 11Gi 20Gi

So from the error, it look like it need more memory to compile gsl. However, I do have plenty of Swap left with the command free -h

What happen?

Operating System: openSUSE Tumbleweed 20210716
KDE Plasma Version: 5.22.3
KDE Frameworks Version: 5.84.0
Qt Version: 5.15.2
Kernel Version: 5.13.1-1-default (64-bit)
Graphics Platform: X11
Processors: 12 × AMD Ryzen 5 4600H with Radeon Graphics
Memory: 7.1 GiB of RAM
Graphics Processor: GeForce GTX 1650 Ti/PCIe/SSE2

this is disk space, no swap.

Thanks for reply. But I do have plenty of space left.

kev@localhost:~/Desktop/Software/Flatpak/com.github.buddhi1980.mandelbulber2> sudo df -h
[sudo] password for root:
Filesystem Size Used Avail Use% Mounted on
devtmpfs 3.6G 0 3.6G 0% /dev
tmpfs 3.6G 0 3.6G 0% /dev/shm
tmpfs 1.5G 2.0M 1.5G 1% /run
/dev/mapper/cr_root 477G 306G 169G 65% /
tmpfs 3.6G 0 3.6G 0% /tmp
/dev/mapper/cr_root 477G 306G 169G 65% /.snapshots
/dev/mapper/cr_root 477G 306G 169G 65% /boot/grub2/i386-pc
/dev/mapper/cr_root 477G 306G 169G 65% /boot/grub2/x86_64-efi
/dev/mapper/cr_root 477G 306G 169G 65% /home
/dev/mapper/cr_root 477G 306G 169G 65% /opt
/dev/mapper/cr_root 477G 306G 169G 65% /srv
/dev/mapper/cr_root 477G 306G 169G 65% /root
/dev/mapper/cr_root 477G 306G 169G 65% /usr/local
/dev/mapper/cr_root 477G 306G 169G 65% /var
/dev/nvme0n1p1 511M 5.1M 506M 1% /boot/efi
tmpfs 730M 730M 0 100% /run/user/1000

However, /run/user/1000 does not, I will look into why my /run/user/1000 have only 730M.