--- title: "Cloud DB for PostgreSQL troubleshooting" slug: "clouddbforpostgresql-troubleshoot" updated: 2026-09-17T09:04:20Z published: 2026-09-17T09:30:08Z canonical: "guide.ncloud-docs.com/clouddbforpostgresql-troubleshoot" stale: true --- > ## Documentation Index > Fetch the complete documentation index at: https://guide.ncloud-docs.com/llms.txt > Use this file to discover all available pages before exploring further. # Cloud DB for PostgreSQL troubleshooting Available in VPC This document details problems users may have while using Cloud DB for PostgreSQL, as well their solutions. Click each problematic situation to move to the related page. ## Common issues The common problematic situations users may encounter are as follows: [PostgreSQL Server connection error](/docs/en/clouddbforpostgresql-troubleshoot-common#PostgreSQLServer%EC%A0%91%EC%86%8D%EC%98%A4%EB%A5%98) Error occurs when connecting to PostgreSQL Server. [DB creation error](/docs/en/clouddbforpostgresql-troubleshoot-common#DB%EC%83%9D%EC%84%B1%EC%98%A4%EB%A5%98) Error occurs when creating DB. [Notifications on exceeding PostgreSQL Server threshold](/docs/en/clouddbforpostgresql-troubleshoot-common#PostgreSQLServer%EC%9D%98%EC%9E%84%EA%B3%84%EA%B0%92%EC%B4%88%EA%B3%BC%EC%95%8C%EB%A6%BC) Unable to receive an event notification on exceeding PostgreSQL Server threshold. [Assign Superuser permission](/docs/en/clouddbforpostgresql-troubleshoot-common#Superuser%EA%B6%8C%ED%95%9C%ED%95%A0%EB%8B%B9) Cannot allocate Superuser permission to specific User account of DB. I want to grant Superuser permission to DB User. [PostGIS installation error](/docs/en/clouddbforpostgresql-troubleshoot-common#PostGIS%EC%84%A4%EC%B9%98%EC%98%A4%EB%A5%98) Error occurs when installing PostGIS. [Limits in the number of Max Connection](/docs/en/clouddbforpostgresql-troubleshoot-common#MaxConnection%EA%B0%9C%EC%88%98%EC%A0%9C%ED%95%9C) Cannot limit the number of Max Connection. [Error when executing Create Cast function](/docs/en/clouddbforpostgresql-troubleshoot-common#CreateCast%ED%95%A8%EC%88%98%EC%88%98%ED%96%89%EC%8B%9C%EC%98%A4%EB%A5%98) Error occurs when executing the Create Cast function. ## Content to look around NAVER Cloud Platform provides information in various ways to help you. The following introduces useful contents when using Cloud DB for PostgreSQL: - FAQs: [frequently asked questions for Cloud DB for PostgreSQL](https://www.ncloud.com/support/faq/prod?categoryCode2=DB&categoryCode3=SV_0203&page=1) - PostgreSQL official documentation: [PostgreSQL: Documentation](https://www.postgresql.org/docs/current/runtime-config-resource.html) - NAVER Cloud Platform blog: [what's the right database for my service?🤔 Cloud DB will guide you through!](https://blog.naver.com/n_cloudplatform/222882467530?trackingCode=blog_bloghome_searchlist) Note If you cannot find information you need in this guide, or if you need more information, click the feedback icon below and send your opinions at any time. We will refer to your opinions and provide more useful information.