Bad Field signature?

Hello,
I'm writing a game for my phone ( Nokia 6800 ), but when I try and test it on my phone or in a nokia emulator, I get an application error "Bad Field signature". It runs fine in the J2ME Wireless Toolkit emulator. What in the world can be causing this error? I have created other midlets to test out the classes I use in my game app, and they will work fine on my nokia phone.
Thanks

Hi,
Perhaps it is related with the obfuscator as shmooved said. There are some obfuscators that includes bad code to avoid decompiling. Your compiler usually will preverify before obfuscate. If the obfuscator you use inserts bad code, it could be that your code is not correct anymore.
Greets.

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