invalid target meaning in English

无效部位

Invalid target element for this operation
该操作的目标元件无效。
Represents the exception that is thrown when an attempt is made to invoke an invalid target
表示当试图调用无效目标时引发的异常。
The exception that is thrown when an attempt is made to invoke an invalid target
关于异常的疑难解答： system . reflection . targetexception当尝试调用无效目标时引发的异常。
In the db2diag . log or administrative log windows event log indicated an invalid target principal name
在db2diag . log或管理日志（ windows事件日志）中指出使用了无效的目标主体名。