base64 failed

Hello,

when opening attached message I get
[Debug] 12:00:32: rfc822_base64() failed
Trace/breakpoint trap
And the app is killed w/o showing any log window.

Backtrace:

Program received signal SIGTTOU, Stopped (tty output).
[Switching to Thread -1209096496 (LWP 10995)]
0x00970402 in __kernel_vsyscall ()
(gdb) bt
#0  0x00970402 in __kernel_vsyscall ()
#1  0x00ba8023 in __write_nocancel () from /lib/libc.so.6
#2  0x00b4c29b in _IO_new_file_write () from /lib/libc.so.6
#3  0x00b4bfc5 in new_do_write () from /lib/libc.so.6
#4  0x00b4c227 in _IO_new_file_xsputn () from /lib/libc.so.6
#5  0x00b2c48d in buffered_vfprintf () from /lib/libc.so.6
#6  0x00b282a7 in vfprintf () from /lib/libc.so.6
#7  0x00b31312 in fprintf () from /lib/libc.so.6
#8  0x0037affa in wxLogGui::DoLog (this=0x8e0cfb8, level=6, 
    szString=0x69c720 "rfc822_base64() failed", t=1149068172)
    at ../wxWindows/src/generic/logg.cpp:384
#9  0x0037c19c in wxLog::OnLog (level=6, 
    szString=0x69c720 "rfc822_base64() failed", t=1149068172)
    at ../wxWindows/include/wx/log.h:152
#10 0x0060ba71 in wxVLogDebug (szFormat=0x8378f6f "rfc822_base64() failed", 
    argptr=0xbfd1f524 "fI") at ../wxWindows/src/common/log.cpp:310
#11 0x0060bace in wxLogDebug (szFormat=0x8378f6f "rfc822_base64() failed")
    at ../wxWindows/src/common/log.cpp:310
#12 0x082692c8 in MimePartCCBase::DecodeRawContent (this=0x8fd9410, 
    cptr=0x8fbfd80, lenptr=0xbfd1f608) at .src/mail/MimePartCCBase.cpp:418
#13 0x082693b9 in MimePartCCBase::GetContent (this=0x8fd9410, 
    lenptr=0xbfd1f608) at .src/mail/MimePartCCBase.cpp:298
#14 0x0815ea33 in MessageView::ShowImage (this=0x8ec3b90, mimepart=0x8fd9410)
    at .src/classes/MessageView.cpp:1844
#15 0x0815fad3 in MessageView::ShowPart (this=0x8ec3b90, mimepart=0x8fd9410)
    at .src/classes/MessageView.cpp:1979
#16 0x0815fdc7 in MessageView::ProcessPart (this=0x8ec3b90, 
    mimepart=0x8fd9410, action=MessageView::Part_Show)
    at .src/classes/MessageView.cpp:2334
#17 0x0816137c in MessageView::ProcessAllNestedParts (this=0x8ec3b90, 
    mimepart=0x8f4cc50, action=MessageView::Part_Show)
    at .src/classes/MessageView.cpp:2028
#18 0x08161634 in MessageView::ProcessMultiPart (this=0x8ec3b90, 
    mimepart=0x8f4cc50, subtype=@0xbfd1f7ac, action=MessageView::Part_Show)
    at .src/classes/MessageView.cpp:2294
#19 0x0815fd54 in MessageView::ProcessPart (this=0x8ec3b90, 
    mimepart=0x8f4cc50, action=MessageView::Part_Show)
    at .src/classes/MessageView.cpp:2308
#20 0x0815ffeb in MessageView::DisplayMessageInViewer (this=0x8ec3b90)
    at .src/classes/MessageView.cpp:2618
#21 0x0816011e in MessageView::Update (this=0x8ec3b90)
    at .src/classes/MessageView.cpp:2564
#22 0x081603f4 in MessageView::DoShowMessage (this=0x8ec3b90, 
    mailMessage=0x8f977c0) at .src/classes/MessageView.cpp:3478
#23 0x08202bf3 in wxMessageView::DoShowMessage (this=0x8ec3b90, 
    mailMessage=0x8f977c0) at .src/gui/wxMessageView.cpp:227
#24 0x0815a716 in MessageView::OnASFolderResultEvent (this=0x8ec3b90, 
    event=@0x8f85818) at .src/classes/MessageView.cpp:1055


Regards,
Nerijus