Fresh install on MacOS postgres not coming up

Using SSD storage
chmod: changing permissions of '/var/lib/postgresql/data': Operation not permitted
chmod: changing permissions of '/var/lib/postgresql/data': Operation not permitted
The files belonging to this database system will be owned by user "postgres".
This user must also own the server process.
The database cluster will be initialized with locale "en_US.utf8".
The default database encoding has accordingly been set to "UTF8".
The default text search configuration will be set to "english".
Data page checksums are enabled.

initdb: error: could not change permissions of directory "/var/lib/postgresql/data": Operation not permitted

Using SSD storage
chmod: changing permissions of '/var/lib/postgresql/data': Operation not permitted
chmod: changing permissions of '/var/lib/postgresql/data': Operation not permitted
The files belonging to this database system will be owned by user "postgres".
This user must also own the server process.
The database cluster will be initialized with locale "en_US.utf8".
The default database encoding has accordingly been set to "UTF8".
The default text search configuration will be set to "english".
Data page checksums are enabled.

initdb: error: could not change permissions of directory "/var/lib/postgresql/data": Operation not permitted