999998: Something unexpected caused the tool to fail. Contact Esri Technical Support (http://esriurl.com/support) to Report a Bug, and refer to the error help for potential solutions or workarounds.

Description

This is an operating system error and can indicate various error conditions.

These errors are not specifically documented in the ArcGIS AllSource Help system.

In some cases, this error may include other messages that can help you understand the problem or find additional information.

Solution

If the error message includes Something unexpected caused the tool to fail, consider contacting Esri Technical Support for assistance.