Glib-GObject-Warning invalid cast null to unknown error



hi

i am trying to create a static executable using gtkmm-2.0.2, gtk-2.0.6, glib-2.0.9, libsigc++-1.2

the static build gave no errors...but when i run the program on my machine.. locally...it gives me these error

(process 6231): GLIB-Object-Warning ** invalid cast from `(null)` to `<unknown>`

(process 6231): GLIB-Object-Warning ** file gobject.c line 1325 (g_object_set_qdata); assertion `G_IS_OBJECT` (object) failed

(process 6231): GLIB-Object-Warning ** invalid cast from `(null)` to `<unknown>`

(process 6231): GLIB-Object-Warning ** file gobject.c line 1358 (g_object_set_qdata_full); assertion `G_IS_OBJECT` (object) failed

(process 6231): GLIB-Object-Warning ** invalid cast from `(null)` to `<unknown>`

(process 6231): GLIB-Object-Warning ** file gobject.c line 1347 (g_object_steal_qdata); assertion `G_IS_OBJECT` (object) failed

it looks like i am passing null pointer..? how do i know where..?
can anybody what exactly this means..?
what should i do to solve this






Regards
Vishal Modak
Dept. of Computer and Information Science
Univ. Of South Alabama
Mobile, AL



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