Error when exporting from RIT to QM - RQMServiceHTTPException: Unexpected http status code: 403

Newbie question, please help, thanks!

where I should check?

I create a Lifecycle project "LifeCycleProject002"
Template: Quality Professional, Developer - without Requirements
Artifact Containers:
Scrum
Quality Management Default v3 Process
Add project member: "agentuser2"
the user has the following and only the following licenses:
Rational Quality Manager - Connector, Included
Rational Quality Manager - Quality Professional-Floating, Unlocked

in RIT GUI, Project Setting, Quality Management tab
URL: https://10.22.132.177:9443/qm
Project: LifeCycleProject002 (Testing)
Username: agentuser2

In RIT, right click a test, and Export and choose the
above integration setting and the environment of the test.

Error details:
com.ghc.ghtester.rqm.common.RQMServiceException: https://10.22.132.177:9443/qm/secure/service/com.ibm.rqm.integration.service.IIntegrationService/resources/LifeCycleProject002+%28Testing%29/remotescript/slug__TPhUT01nEeOxuZaewqSe_g
 at com.ghc.ghtester.rqm.common.RemoteRQMService.write(RemoteRQMService.java:256)
 at com.ghc.ghtester.rqm.qmintegration.internal.ExportJob.run(ExportJob.java:198)
 at com.ghc.ghtester.rqm.qmintegration.internal.ExportJob.run(ExportJob.java:339)
 at org.eclipse.core.internal.jobs.Worker.run(Worker.java:53)
Caused by: com.ghc.ghtester.rqm.common.RQMServiceHTTPException: Unexpected http status code: 403
 at com.ghc.ghtester.rqm.common.RQMHttpClient.executeMethod(RQMHttpClient.java:326)
 at com.ghc.ghtester.rqm.common.RQMHttpClient.put(RQMHttpClient.java:223)
 at com.ghc.ghtester.rqm.common.RemoteRQMService.write(RemoteRQMService.java:249)
 ... 3 more