Fatal error: Uncaught RedisException: MISCONF Redis is configured to save RDB snapshots, but it is currently not able to persist on disk. 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