Error preverifying class

I am tryin开发者_运维百科g to run a project but I get the following error Error preverifying class I am referrencing an external library that enables me to use maps. I dont know where I am going wrong. Someone help!Thanx

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See Wireless Toolkit FAQ: http://java.sun.com/products/sjwtoolkit/FAQ.html

I want to use an external library, but when I try to build a MIDlet suite that uses it, I get " Error preverifying class..." messages. Why does this happen?

If you get this error, you are probably using a class library that was written for Java 2 Platform, Standard Edition (J2SE™ platform). This toolkit supports the development of MIDP applications, which have limited capabilities compared to their J2SE counterparts