aioredis.errors.ReplyError: MISCONF Redis is configured to save RDB snapshots, but it is currently not able to persist on disk. Commands that may modify the data set are disabled, because this instance is configured to re 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