diff --git a/debug-errors.txt b/debug-errors.txt
index 200123e..be0dd15 100644
--- a/debug-errors.txt
+++ b/debug-errors.txt
@@ -65,3 +65,11 @@ netest/mods/mobs/api.lua:689: bad argument #2 to 'random' (interval is empty)
 2020-04-24 09:08:03: ERROR[Main]:       /home/minetest/.minetest/mods/mobs/api.lua:769: in function 'check_for_death'
 2020-04-24 09:08:03: ERROR[Main]:       /home/minetest/.minetest/mods/mobs/api.lua:971: in function 'do_env_damage'
 2020-04-24 09:08:03: ERROR[Main]:       /home/minetest/.minetest/mods/mobs/api.lua:3237: in function </home/minetest/.minetest/mods/mobs/api.lua:3104>
+
+
+2020-05-20 21:24:05: WARNING[Main]: ServerEnv: Trying to store id = 0 statically but block (19,1,-31) already contains 132 objects.
+2020-05-20 21:24:08: ERROR[Main]: ServerError: AsyncErr: ServerThread::run Lua: Runtime error from mod '??' in callback on_playerReceiveFields(): (load):1: attempt to concatenate a nil value
+2020-05-20 21:24:08: ERROR[Main]: stack traceback:
+2020-05-20 21:24:08: ERROR[Main]:       (load):1: in function 'show_formspec'
+2020-05-20 21:24:08: ERROR[Main]:       (load):1: in function '?'
+2020-05-20 21:24:08: ERROR[Main]:       /usr/share/minetest/builtin/game/register.lua:420: in function </usr/share/minetest/builtin/game/register.lua:400>
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