Comment 12 for bug 1648785

I just got something similar....

widelands: /var/widelands2/BZR/trunk/src/graphic/text/transient_cache.h:143: void TransientCache<T>::drop() [with T = UI::RenderedText]: Assertion `it != entries_.end()' failed.

Thread 1 "widelands" received signal SIGABRT, Aborted.
0x00007ffff50af8a0 in raise () from /usr/lib/libc.so.6
#0 0x00007ffff50af8a0 in raise () from /usr/lib/libc.so.6
#1 0x00007ffff50b0f09 in abort () from /usr/lib/libc.so.6
#2 0x00007ffff50a80dc in __assert_fail_base () from /usr/lib/libc.so.6
#3 0x00007ffff50a8153 in __assert_fail () from /usr/lib/libc.so.6
#4 0x0000555555f418ed in TransientCache<UI::RenderedText>::drop (this=0x555556d45f50) at /var/widelands2/BZR/trunk/src/graphic/text/transient_cache.h:143
#5 0x0000555555f40b9d in TransientCache<UI::RenderedText>::insert (this=0x555556d45f50, hash="0<rt><p align=left><font face=condensed size=14 bold=1 shadow=1 color=ffff00>(18, 24)</font></p></rt>", entry=std::shared_ptr (count 2, weak 0) 0x55555fac7a90, entry_size_in_size_unit=4) at /var/widelands2/BZR/trunk/src/graphic/text/transient_cache.h:127
#6 0x0000555555f3fd60 in UI::FontHandler1::RenderCache::insert (this=0x555556d45f50, hash="0<rt><p align=left><font face=condensed size=14 bold=1 shadow=1 color=ffff00>(18, 24)</font></p></rt>", entry=std::shared_ptr (count 2, weak 0) 0x55555fac7a90) at /var/widelands2/BZR/trunk/src/graphic/font_handler1.cc:67
#7 0x0000555555f401cf in UI::FontHandler1::render (this=0x555556d3f2f0, text="<rt><p align=left><font face=condensed size=14 bold=1 shadow=1 color=ffff00>(18, 24)</font></p></rt>", w=0) at /var/widelands2/BZR/trunk/src/graphic/font_handler1.cc:90
#8 0x000055555621b8d2 in InteractiveBase::draw_overlay (this=0x555559210240, dst=...) at /var/widelands2/BZR/trunk/src/wui/interactive_base.cc:448
#9 0x00005555562300c8 in InteractiveGameBase::draw_overlay (this=0x555559210240, dst=...) at /var/widelands2/BZR/trunk/src/wui/interactive_gamebase.cc:108
#10 0x000055555617e37c in UI::Panel::do_draw_inner (this=0x555559210240, dst=...) at /var/widelands2/BZR/trunk/src/ui_basic/panel.cc:731
#11 0x000055555617e4f8 in UI::Panel::do_draw (this=0x555559210240, dst=...) at /var/widelands2/BZR/trunk/src/ui_basic/panel.cc:758
#12 0x000055555617cfba in UI::Panel::do_run (this=0x555559210240) at /var/widelands2/BZR/trunk/src/ui_basic/panel.cc:190