I have found this message while accessing to a repository in Laserfiche Admin Console and this causes every LF products which get involved with this repository failed to open.

The details of the error message are :

LFSO:
    Call Stack: (Exception)
        CLFConnection::Create
    Additional Details:
        HRESULT: 0xc0042330 (ProcessResponseHeaders, LFSession.cpp:4880)
           (LFSO/9.2.1.568)
LFAdmin.dll (9.2.1.562):
          Call Stack: (Current)
           CDatabaseNode::ShowLoginDialog2
          Call History:
               CComponentData::GetDisplayInfo
      CComponentData::GetDisplayInfo
               CComponentData::GetDisplayInfo
               CComponentData::GetDisplayInfo
      CComponentData::GetDisplayInfo
               CComponentData::GetDisplayInfo
               CComponentData::GetDisplayInfo

How could I resolve this? Please suggest.