YACassandraPDO OS X error

gistfile1.txt

Process:         httpd [54940]
Path:            /usr/sbin/httpd
Identifier:      httpd
Version:         780
Code Type:       X86-64 (Native)
Parent Process:  httpd [54497]
User ID:         70

Date/Time:       2013-08-14 22:08:22.168 +0200
OS Version:      Mac OS X 10.8.2 (12C60)
Report Version:  10

Crashed Thread:  0  Dispatch queue: com.apple.main-thread

Exception Type:  EXC_CRASH (SIGABRT)
Exception Codes: 0x0000000000000000, 0x0000000000000000

Application Specific Information:
*** error for object 0x7fad4c9cc9b4: pointer being freed was not allocated
 

Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0   libsystem_kernel.dylib          0x00007fff90dabd46 __kill + 10
1   libsystem_c.dylib             	0x00007fff9442fdf0 abort + 177
2   libsystem_c.dylib             	0x00007fff94403959 free + 392
3   libc++.1.dylib                	0x00007fff93e2b7e8 std::logic_error::~logic_error() + 52
4   pdo_cassandra.so              	0x00000001043c7d52 void boost::throw_exception<std::out_of_range>(std::out_of_range const&) + 210 (exception.hpp:112)
5   pdo_cassandra.so              	0x00000001043c8057 int const& boost::bimaps::detail::non_mutable_data_unique_map_view_access<boost::bimaps::views::map_view<boost::bimaps::relation::member_at::left, boost::bimaps::detail::bimap_core<std::string, int, mpl_::na, mpl_::na, mpl_::na> >, boost::bimaps::relation::member_at::left, boost::bimaps::detail::bimap_core<std::string, int, mpl_::na, mpl_::na, mpl_::na> >::at<std::string>(std::string const&) const + 93 (map_view_base.hpp:341)
6   pdo_cassandra.so              	0x00000001043c4b4c pdo_cassandra_stmt_fetch(_pdo_stmt_t*, pdo_fetch_orientation, long) + 156 (cassandra_statement.cpp:140)
7   libphp5.so                    	0x0000000103709648 do_fetch_common + 72
8   libphp5.so                    	0x0000000103707d8f do_fetch + 61
9   libphp5.so                    	0x0000000103706705 zim_PDOStatement_fetchAll + 811
10  xdebug.so                     	0x0000000104314e47 xdebug_execute_internal + 355
11  libphp5.so                    	0x0000000103930c15 zend_do_fcall_common_helper_SPEC + 1048
12  libphp5.so                    	0x00000001038f13be execute + 593
13  xdebug.so                     	0x0000000104314bfd xdebug_execute + 2677
14  libphp5.so                    	0x00000001038d1e22 zend_execute_scripts + 452
15  libphp5.so                    	0x000000010388673c php_execute_script + 693
16  libphp5.so                    	0x00000001039474c6 php_handler + 1076
17  httpd                         	0x0000000103228e8d ap_run_handler + 109
18  httpd                         	0x0000000103229592 ap_invoke_handler + 418
19  httpd                         	0x000000010325eefb ap_process_request + 123
20  httpd                         	0x000000010325b043 ap_process_http_connection + 147
21  httpd                         	0x000000010323e0ad ap_run_process_connection + 109
22  httpd                         	0x000000010323e65b ap_process_connection + 123
23  httpd                         	0x0000000103268eec child_main + 1532
24  httpd                         	0x000000010326799e make_child + 414
25  httpd                         	0x0000000103267cfd perform_idle_server_maintenance + 621
26  httpd                         	0x0000000103266e14 ap_mpm_run + 1460
27  httpd                         	0x0000000103231b12 main + 3186
28  libdyld.dylib                 	0x00007fff96e597e1 start + 1

Thread 0 crashed with X86 Thread State (64-bit):
  rax: 0x0000000000000000  rbx: 0x00007fff5c9d7940  rcx: 0x00007fff5c9d7928  rdx: 0x0000000000000000
  rdi: 0x000000000000d69c  rsi: 0x0000000000000006  rbp: 0x00007fff5c9d7950  rsp: 0x00007fff5c9d7928
   r8: 0x0000000000000000   r9: 0x0000000000000000  r10: 0x00007fff90dad342  r11: 0x0000000000000206
  r12: 0x00000001032b5000  r13: 0x00000001032b3000  r14: 0x00007fad4c9cc9b4  r15: 0x0000000000000002
  rip: 0x00007fff90dabd46  rfl: 0x0000000000000206  cr2: 0x00007fff7d2540b0
Logical CPU: 0