This message occurs when you attempt SQL debugging on a machine where SQL debugging is not enabled.
当在未启用SQL调试的计算机上尝试SQL调试时，此消息会出现。
When this message occurs early in the solution, it probably means that the properties were specified incorrectly.
当在求解开始出现这个提示信息，可能你指定的密度属性有误；
Unfortunately, you do not receive an explicit error message if this error condition occurs.
不幸的是，出现这种错误条件时您不会收到明确的错误消息。
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