[Debug] 21:40:02: CFile.cpp(461): assert "pBuf != NULL" failed.

Call stack:
[05] wxStackWalker::Walk(unsigned long)
[06] 0x2aaaaba48fc7
[07] 0x2aaaaba4912e
[08] wxAppConsole::OnAssert(wchar_t const*, int, wchar_t const*, wchar_t const*)
[09] wxApp::OnAssert(wchar_t const*, int, wchar_t const*, wchar_t const*)
[10] CamuleApp::OnAssert(wchar_t const*, int, wchar_t const*, wchar_t const*)   /home/kry/aMule/amule-dev/src/amule.cpp:1431
[11] wxOnAssert(wchar_t const*, int, wchar_t const*, wchar_t const*)
[12] wxAssert(int, wchar_t const*, int, wchar_t const*, wchar_t const*)
[13] CFile::doWrite(void const*, unsigned long) /home/kry/aMule/amule-dev/src/CFile.cpp:462
[14] CFileDataIO::Write(void const*, unsigned long)     /home/kry/aMule/amule-dev/src/SafeFile.cpp:85
[15] CFileDataIO::WriteStringCore(char const*, EUtf8Str, unsigned char) /home/kry/aMule/amule-dev/src/SafeFile.cpp:304
[16] CFileDataIO::WriteString(wxString const&, EUtf8Str, unsigned char) /home/kry/aMule/amule-dev/src/SafeFile.cpp:320
[17] CTag::WriteTagToFile(CFileDataIO*, EUtf8Str) const /home/kry/aMule/amule-dev/src/Packet.cpp:673
[18] CKnownFile::WriteToFile(CFileDataIO*)      /home/kry/aMule/amule-dev/src/KnownFile.cpp:732
[19] CKnownFileList::Save()                     /home/kry/aMule/amule-dev/src/KnownFileList.cpp:117
[20] CamuleApp::OnCoreTimer(wxTimerEvent&)      /home/kry/aMule/amule-dev/src/amule.cpp:1585
[21] wxAppConsole::HandleEvent(wxEvtHandler*, void (wxEvtHandler::*)(wxEvent&), wxEvent&) const
[22] wxEvtHandler::ProcessEventIfMatches(wxEventTableEntryBase const&, wxEvtHandler*, wxEvent&)
[23] wxEventHashTable::HandleEvent(wxEvent&, wxEvtHandler*)
[24] wxEvtHandler::ProcessEvent(wxEvent&)
[25] wxTimerBase::Notify()