./launcher rebuild app error について困っています (Process::Status: pid 2096)

root@JEN /var/discourse # ./launcher start app101
x86_64 arch detected.

starting up existing container
+ /usr/bin/docker start app101
app101
root@JEN /var/discourse # ./launcher enter app101
su postgres
psql
x86_64 arch detected.
root@JEN-app101:/var/www/discourse# SELECT id FROM sidebar_sections WHERE section_type = 0;
bash: SELECT: command not found
root@JEN-app101:/var/www/discourse#