Sorry but I can't update symbol file :( (I can compile but valide when tries to gets symbols shows a warning window 

Backtrace:

#0  0x0012d422 in __kernel_vsyscall ()
#1  0x00fceb86 in poll () from /lib/tls/i686/cmov/libc.so.6
#2  0x00b434eb in g_poll () from /lib/libglib-2.0.so.0
#3  0x00b360ac in ?? () from /lib/libglib-2.0.so.0
#4  0x00b36817 in g_main_loop_run () from /lib/libglib-2.0.so.0
#5  0x0032eabf in gtk_dialog_run () from /usr/lib/libgtk-x11-2.0.so.0
#6  0x001c8615 in valide_window_message (self=0x80bf088, log_domain=0x0, 
    log_levels=G_LOG_LEVEL_CRITICAL, 
    message=0x81a0040 "symbol_get_full_name: assertion `self != NULL' failed")
    at debug/libvalide/window.c:507
#7  0x001cd97b in _valide_window_message_glog_func (log_domain=0x0, 
    log_levels=G_LOG_LEVEL_CRITICAL, 
    message=0x81a0040 "symbol_get_full_name: assertion `self != NULL' failed", 
    self=0x80bf088) at debug/libvalide/window.c:2068
#8  0x00b3cbea in g_logv () from /lib/libglib-2.0.so.0
#9  0x00b3d056 in g_log () from /lib/libglib-2.0.so.0
#10 0x00b3d2bb in g_return_if_fail_warning () from /lib/libglib-2.0.so.0
#11 0x0166201e in symbol_get_full_name (self=0x0)
    at debug/plugins/symbol/symbol.c:291
#12 0x01663e36 in symbol_browser_parse_line (self=0x8219878, 
    line=0x849bd48 "Valide.Application\t/home/monkey/Escritorio/valide/src/main.vala\t40;\"\tkind:class\tline:40\tlanguage:Vala\tinherits:Object\taccess:public\timplementation:") at debug/plugins/symbol/symbol.c:907
#13 0x01664652 in symbol_browser_exec_ctags (self=0x8219878, 
    filename=0x847c380 "/home/monkey/Escritorio/valide/src/main.vala", 
    error=0xbfffe5c4) at debug/plugins/symbol/symbol.c:1093
#14 0x01665832 in symbol_browser_populate_symbols_asc (self=0x8219878)
    at debug/plugins/symbol/symbol.c:1427
#15 0x01665d95 in _symbol_browser_populate_symbols_asc_gsource_func (
    self=0x8219878) at debug/plugins/symbol/symbol.c:1528
#16 0x00b30661 in ?? () from /lib/libglib-2.0.so.0
#17 0x00b325e5 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#18 0x00b362d8 in ?? () from /lib/libglib-2.0.so.0
#19 0x00b364b8 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#20 0x003b5224 in gtk_main_iteration () from /usr/lib/libgtk-x11-2.0.so.0
#21 0x00189d27 in valide_utils_process_gtk_events ()
    at debug/libvalide/utils.c:1028
#22 0x0018dcd7 in valide_document_manager_create (self=0x811d050, 
    filename=0x8189258 "/home/monkey/Escritorio/valide/src/main.vala", 
    error=0xbfffe894) at debug/libvalide/document-manager.c:1020
#23 0x0019ef18 in valide_project_open_file (self=0x82dd100, 
    filename=0x84290c0 "/home/monkey/Escritorio/valide/src/main.vala", 
    error=0xbfffe914) at debug/libvalide/project.c:1608
#24 0x001be92c in valide_project_manager_file_select (self=0x81b8040, 
    sender=0x8215208, path=0x81a1440, column=0x818a960)
    at debug/libvalide/project-manager.c:921
#25 0x001c4133 in _valide_project_manager_file_select_gtk_tree_view_row_activated (_sender=0x8215208, path=0x81a1440, column=0x818a960, self=0x81b8040)
    at debug/libvalide/project-manager.c:2656
#26 0x003b96df in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#27 0x00aaf252 in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0
#28 0x00ac399d in ?? () from /usr/lib/libgobject-2.0.so.0
---Type <return> to continue, or q <return> to quit---
#29 0x00ac4db4 in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0
#30 0x00ac5256 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#31 0x004c0a68 in gtk_tree_view_row_activated ()
   from /usr/lib/libgtk-x11-2.0.so.0
#32 0x004d3fe2 in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#33 0x003bb424 in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#34 0x00aad8b9 in ?? () from /usr/lib/libgobject-2.0.so.0
#35 0x00aaf252 in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0
#36 0x00ac35e6 in ?? () from /usr/lib/libgobject-2.0.so.0
#37 0x00ac4c33 in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0
#38 0x00ac5256 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#39 0x004e8636 in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#40 0x003b3a5d in gtk_propagate_event () from /usr/lib/libgtk-x11-2.0.so.0
#41 0x003b50c7 in gtk_main_do_event () from /usr/lib/libgtk-x11-2.0.so.0
#42 0x007d439a in ?? () from /usr/lib/libgdk-x11-2.0.so.0
#43 0x00b325e5 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#44 0x00b362d8 in ?? () from /lib/libglib-2.0.so.0
#45 0x00b36817 in g_main_loop_run () from /lib/libglib-2.0.so.0
#46 0x003b53c9 in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0
#47 0x0804ac42 in valide_application_run (self=0x8055018)
    at debug/src/main.c:467
#48 0x0804b7b0 in _vala_main (args=0xbffff4d4, args_length1=1)
    at debug/src/main.c:717
#49 0x0804b8d8 in main (argc=1, argv=0xbffff4d4) at debug/src/main.c:746