How do I find out details about an error showed iby "brew services list"?

I want test my postgres13 service on mac by using "brew services list". I got following: $ brew services list Name Status User Plist postgresql error gerd /Users/gerd/Library/LaunchAgents/homebrew.mxcl.postgresql.plist How can I find out details about this error? In the /usr/local/var/log/postgres.log logfile (listed in homebrew.mxcl.postgresql.plist) is no error: 2021-01-28 17:36:59.429 CET LOG: starting PostgreSQL 13.1 on x86_64-apple-darwin19.6.0, compiled by Apple clang version 12.0.0 (clang-1200.0.32.27), 64-bit 2021-01-28 17:36:59.430 CET LOG: listening on IPv6 address "::1", port 5432 2021-01-28 17:36:59.431 CET LOG: listening on IPv4 address "127.0.0.1", port 5432 2021-01-28 17:36:59.431 CET LOG: listening on Unix socket "/tmp/.s.PGSQL.5432" 2021-01-28 17:36:59.436 CET LOG: database system was shut down at 2021-01-28 17:35:44 CET 2021-01-28 17:36:59.440 CET LOG: database system is ready to accept connections My database work and I can connect with psql.