Client ID Is Not Found or Has Expired Error Occurs

Environment

Product	Progress® Telerik® Reporting
Version	Q2 2012 and later
Report Viewers	Viewers working with the Telerik Reporting REST services

Description

An Error Client with ID 'xxxxxx-xxxx' not found. Expired. occurs when using the HTML5 Telerik Reporting ReportViewer.

Cause

The error message indicates that the ID of the Report Viewer cannot be found in the cache storage.

Solution

To solve this issue, use the following approaches:

• Check if the time set as the ClientSessionTimeout of the Reporting REST service has expired.

• Alternatively, fix the Storage of the Reporting REST service, if it is not set according to the hosting environment.