run_sql: unable to run "_post_content.sql"

In "_post_content.sql": The following error occurred while executing an SQL statement:
error communicating with database: connection aborted

The SQL statement sent by SQLPage was:
SELECT p.content AS contents_md FROM post AS p JOIN translations AS t ON p.id = t.element_id WHERE p.id = CAST($1 AS TEXT)::INT AND t.element_type = 'post_post';