MISCONF Redis is configured to save RDB snapshots, but is currently not able to persist on disk. Commands that may modify the data set are disabled. Please check Redis logs for details about the error. code example

Example: Redis::CommandError: MISCONF Redis is configured to save RDB snapshot

Modify /etc/sysctl.conf and add:
vm.overcommit_memory=1

Then restart sysctl with:
On Linux:
sudo sysctl -p /etc/sysctl.conf