[ERROR] addons/eshop/lua/eshop/cl_hooks.lua:9: attempt to index global 'fitler' (a nil value)
  1. fn - addons/eshop/lua/eshop/cl_hooks.lua:9
   2. Run - addons/ulib-master/lua/ulib/shared/hook.lua:109
    3. FilterChanged - addons/eshop/lua/eshop/cl_filterpanel.lua:9
     4. OnValueChange - addons/eshop/lua/eshop/cl_filterpanel.lua:49
      5. unknown - lua/vgui/dtextentry.lua:185