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A recent c-treeACE SQL connection monitoring enhancement introduced a condition in which c-treeACE SQL terminated with an unhandled exception when USERINFO() was called at the same time a client logged on. For example, USERINFO() is used in the c-treeACE Monitor tool for monitoring client connections. A connection state bit could potentially be null at logon, an acceptable case, however, was referenced without checking for this null condition. A check has been added to prevent this occurrence.
