---
title: Overview
description: "The *Troubleshooting Installation Errors* chapter is designed to help users troubleshoot errors that may occur during the installation process. See the [Methods of Debugging](https://i2b2.org/docs/methods-of-debugging/) page first to review how to view various error logs, etc. **Chapter 15. Troubleshooting Installation Errors**…"
url: "https://i2b2.org/docs/chapter-7-troubleshooting-installation-errors/"
updated: "2026-09-15"
category: i2b2 Installation Guide / Chapter 7. Troubleshooting Installation Errors
---

# Overview

The *Troubleshooting Installation Errors* chapter is designed to help users troubleshoot errors that may occur during the installation process. See the [Methods of Debugging](https://i2b2.org/docs/methods-of-debugging/) page first to review how to view various error logs, etc.

  **Chapter 15. Troubleshooting Installation Errors**

###### [Target Location and Application Name Do Not Match](https://i2b2.org/docs/target-location-and-application-name-do-not-match/)

###### [Database Error](https://i2b2.org/docs/database-error/)

###### [Web Client is Not Running](https://i2b2.org/docs/web-client-is-not-running/)

###### [Message Version is Missing](https://i2b2.org/docs/message-version-is-missing/)

###### [PM Cell is Unavailable](https://i2b2.org/docs/pm-cell-is-unavailable/)

###### [Workplace Cell is Unavailable](https://i2b2.org/docs/workplace-cell-is-unavailable/)

###### [Password Doesn't Match or Username Doesn't Exist](https://i2b2.org/docs/password-doesn-27t-match-or-username-doesn-27t-exist/)

###### [Application Name is Missing](https://i2b2.org/docs/application-name-is-missing/)

###### [CRC Cell is Unavailable](https://i2b2.org/docs/crc-cell-is-unavailable/)

###### [PM Cell's getVersion Operation is Not Responding](https://i2b2.org/docs/pm-cell-27s-getversion-operation-is-not-responding/)

###### [Remote Server is Unavailable](https://i2b2.org/docs/remote-server-is-unavailable/)

###### [PM Service is Not Responding](https://i2b2.org/docs/pm-service-is-not-responding/)

###### [The PM Cell is down or the address in the properties file is incorrect (related to SELinux)](https://i2b2.org/docs/the-pm-cell-is-down-or-the-address-in-the-properties-file-is-incorrect-related-to-selinux/)

###### [Target Location Missing or Not Specified Correctly](https://i2b2.org/docs/target-location-missing-or-not-specified-correctly/)

###### [Ontology Cell is Unavailable](https://i2b2.org/docs/ontology-cell-is-unavailable/)

###### [~ Methods of debugging ~](https://i2b2.org/docs/methods-of-debugging/)