error of PERMISSION_DENIED

Products

• CA API Developer Portal
• CA API Gateway

Issue/Introduction

The following error often occurs.
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06/05 15:22:38.893 ERROR (http-37080-12:) - [general] -- PERMISSION_DENIED (/sitebuilder/content/groups/Widgets/4_1201091442-126.xml)
Jun 05, 2018 3:22:39 PM com.l7tech.extension.ExtensionManagerPlugin getExtension
INFO: getExtension: authenticationHandler
Jun 05, 2018 3:22:39 PM com.l7tech.extension.ExtensionManagerPlugin a
INFO: getExtension: Gateway Authentication Plugin not started. Returning null for GatewayUserManagementHandler: authenticationHandler
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What is the meaning of this error?
Is this error a problem?
If so, could you please let me know that solution?

Environment

CA API Developer Portal - 3.1
CA API Developer Portal - 3.5

Resolution

The system is retrieving a listing of the possible widgets for the logged in user. 
The login user does not have permission to view the Tasks widget (4_1201091442-126.xml) so this is generating a message in the log.
This error can be ignored.