Landmark IPA 10 CU35 Inbasket times out with LSF 9.0.1.14 environment

Legacy Contributor

We just went live with Landmark IPS 10 CU35 with our LSF 9.0.1.14 environment.

We are experiencing a timeout with our Landmark Inbasket.

Users are on the portal but haven't accessed the inbasket within 60 minutes.
They are active on the portal and the portal doesn't time out.
When they return to their inbasket bookmark, they get a message
"Navigation to the webpage was canceled"

Fiddler output shows that the action TIMEOUTASSET is returned to portal from landmark.

Has anyone else experienced this and how did you correct the issue?