FTP.it 2.0.6 se crashes in FileMaker Server 11

Hi. I'have buyed ftp.it 2.0.6 SE plug in and I have many problems. My FileMaker Server 11 crashes and Mac OS X 10.6.3 log report:

Thread 29 Crashed:

0 com.apple.CoreFoundation 0x9938fcc0 CFRelease + 112

1 com.cnsplug-ins.FTPit_Pro_SE 0x0891de70 clsGenProtThread::Execute() + 1386

2 com.cnsplug-ins.FTPit_Pro_SE 0x0891def1 GPThread_EntryPoint(void*) + 47

3 ...ple.CoreServices.CarbonCore 0x95e7af26 PrivateMPEntryPoint + 68

4 libSystem.B.dylib 0x984307fd _pthread_start + 345

5 libSystem.B.dylib 0x98430682 thread_start + 34

and in an other crash report:

Thread 33 Crashed:

0 libobjc.A.dylib 0x91d1fedb objc_msgSend + 27

1 com.cnsplug-ins.FTPit_Pro_SE 0x0911de65 clsGenProtThread::Execute() + 1375

2 com.cnsplug-ins.FTPit_Pro_SE 0x0911def1 GPThread_EntryPoint(void*) + 47

3 ...ple.CoreServices.CarbonCore 0x95e7af26 PrivateMPEntryPoint + 68

4 libSystem.B.dylib 0x984307fd _pthread_start + 345

5 libSystem.B.dylib 0x98430682 thread_start + 34

This appear 4-5 times in a day. Now, all days. Can you help me?

Thank you

Riccardo

FileMaker Server 11

Mac OS X 10.6.3