I ran this command to upgrade to Fedora 31, and i received a confusing error at the end here. I am fairly new at working on Linux. Since this is a new problem for me, I figured I would post it here for ideas.

[root@SHIRE-5G cflannery]# sudo dnf system-upgrade download --releasever=31
Before you continue ensure that your system is fully upgraded by running "dnf --refresh upgrade". Do you want to continue [y/N]: y
Adobe Systems Incorporated 14 kB/s | 2.9 kB 00:00
Fedora Modular 31 - x86_64 77 kB/s | 17 kB 00:00
Fedora Modular 31 - x86_64 - Updates 74 kB/s | 17 kB 00:00
Fedora 31 - x86_64 - Updates 65 kB/s | 16 kB 00:00
Fedora 31 - x86_64 47 kB/s | 17 kB 00:00
google-chrome 10 kB/s | 1.3 kB 00:00
Metasploit 9.2 kB/s | 3.0 kB 00:00
Opera packages 18 kB/s | 2.9 kB 00:00
PostgreSQL 12 for Fedora 31 - x86_64 3.8 kB/s | 3.8 kB 00:01
PostgreSQL 11 for Fedora 31 - x86_64 5.5 kB/s | 3.8 kB 00:00
PostgreSQL 10 for Fedora 31 - x86_64 4.2 kB/s | 3.8 kB 00:00
PostgreSQL 9.6 for Fedora 31 - x86_64 14 kB/s | 3.8 kB 00:00
PostgreSQL 9.5 for Fedora 31 - x86_64 13 kB/s | 3.8 kB 00:00
PostgreSQL 9.4 for Fedora 31 - x86_64 15 kB/s | 3.8 kB 00:00
RPM Fusion for Fedora 31 - Free - Updates 3.1 kB/s | 3.0 kB 00:00
RPM Fusion for Fedora 31 - Free 4.6 kB/s | 3.2 kB 00:00
RPM Fusion for Fedora 31 - Nonfree - Updates 15 kB/s | 2.9 kB 00:00
RPM Fusion for Fedora 31 - Nonfree 16 kB/s | 3.0 kB 00:00
terminate called after throwing an instance of 'libdnf::ModulePackageContainer::EnableMultipleStreamsException'
what(): Cannot enable multiple streams for module 'gimp'
Aborted
[root@SHIRE-5G cflannery]#

A quick search on the exception found this. Probably worth doing the module list and the resets if applicable.