Permission denied

[systemdbrew]

When running the command:
bash -c "$(curl -fsSL https://ghostwriters.github.io/AppSTARTer/main.sh)"

The output tells me it does not have permission.

USERNAME@PowerEdge-R630:~$ bash -c "$(curl -fsSL https://ghostwriters.github.io/AppSTARTer/main.sh)"
2020-11-26 10:16:03 [WARN ] Attempting to clone AppSTARTer repo to location.
Cloning into '/home/USERNAME/.appstarter'...
remote: Enumerating objects: 102, done.
remote: Counting objects: 100% (102/102), done.
remote: Compressing objects: 100% (75/75), done.
remote: Total 287 (delta 45), reused 46 (delta 17), pack-reused 185
Receiving objects: 100% (287/287), 175.23 KiB | 1.70 MiB/s, done.
Resolving deltas: 100% (107/107), done.
2020-11-26 10:16:03 [NOTICE] Performing first run install.
tee: /tmp/appstarter.log: Permission denied
2020-11-26 10:16:04 [INFO ] Setting permissions for /home/USERNAME/.appstarter/main.sh
tee: /tmp/appstarter.log: Permission denied
2020-11-26 10:16:04 [ERROR ] AppSTARTer did not finish running successfully.