The pack contains mods that block automatic downloads
What it looks like in your log
The following files are not allowed for project distribution by the mod author
What causes it
Some CurseForge authors disable third-party downloads, so the installer cannot fetch their files and the pack install stops.
How to fix it
Download the listed files by hand from their CurseForge pages and drop them into the installer’s manual downloads folder, then run the install again.
Not sure this is your problem? Paste your log and Roastd will tell you which of these it actually matched, and what else it found.
Check your own log