--- /dev/null
+folder.c:3949 Condition folder->klass->is_msg_changed != NULL failed\r
+traceback:\r
+0: /usr/bin/claws-mail(folder_item_is_msg_changed+0x151) [0x494531]\r
+1: /usr/bin/claws-mail(procmsg_msg_exist+0x30) [0x55d120]\r
+2: /usr/bin/claws-mail() [0x4674ac]\r
+3: /usr/bin/claws-mail(compose_draft+0xcc0) [0x485b00]\r
+4: /usr/bin/claws-mail() [0x485c49]\r
+5: /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0(+0x4e573) [0x7ffff60d6573]\r
+6: /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0(g_main_context_dispatch+0x158) [0x7ffff60d5ae8]\r
+7: /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0(+0x4ded8) [0x7ffff60d5ed8]\r
+8: /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0(g_main_loop_run+0xb2) [0x7ffff60d61d2]\r
+9: /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0(gtk_main+0xb7) [0x7ffff7a818e7]\r
+10: /usr/bin/claws-mail(main+0xfc7) [0x449c37]\r
+11: /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xe7) [0x7ffff5135b17]\r
+12: /usr/bin/claws-mail(_start+0x2a) [0x44b41a]\r