Error "ALERT An expired request has been detected. Request has been canceled" may appear in diverse scenarios

Document ID : KB000092928
Last Modified Date : 25/04/2018
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Issue:
An error may appear in diverse scenarios while using CA PPM, even if the patch for the defect DE28868 is already on the system:

ERROR: ALERT An expired request has been detected. Request has been canceled 

Expired Request 
An expired request has been detected while processing a request. To recover you should use the browser back button or PPM History to return to the previous page. Refresh it and try the request again. If the problem persists contact your system administrator and provide them with the following information: 
Request ID: 
Type of Error: Expired request 
Please consult this knowledge Base article: TEC567263
Environment:
This issue has been reported for some CA PPM environments with versions that have the patch for the defect installed, such as 15.2.0.2.
Cause:
This issue has been reported to Engineering as DE38062.
Resolution:
This issue has been fixed in CA PPM 15.4.1.