I got the following error 30 sec after loading a planet test save
The mod Castra (0.1.1) caused a non-recoverable error.
Please report this error to the mod author.
Error while running event castra::on_tick (ID 0)
castra/castra-cache.lua:16: table index is nil
stack traceback:
castra/castra-cache.lua:16: in function 'update_item_cache'
castra/castra-cache.lua:36: in function 'update_castra_enemy_data'
castra/castra-cache.lua:151: in function 'build_cache_if_needed'
castra/control.lua:405: in function 'get_available_upgrades'
castra/control.lua:431: in function 'randomly_upgrade_base'
castra/control.lua:466: in function <castra/control.lua:462>