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The FairCom Server could crash if ctSysQueueClose() was called while another user is still accessing the queue.
A ctSysQueue handle can be closed and the same handle reassigned to a new queue. Users of the original handle may not be aware that the handle now references a different queue, potentially resulting in unexpected messages in the new queue. This behavior has now been corrected.
Compatibility Change: This is a compatibility change in the client/server communication API. Old client libraries accessing a server with this change will receive error QCVR_ERR (1123) if making a ctSysQueue API call. A client with this change accessing an older server will receive error QSVR_ERR (1124) if making a ctSysQueue API call.
