I play on base Factorio 2.0. I don't have the Space-age mod / DLC..
The error message says:
The mod Robot Tree Farm update for 2.0 (1.3.0) caused a non-recoverable error.
Please report this error to the mod author.
Error while running event robot_tree_farm_update :: on_tick (ID O)
LuaGameScript doesn't contain key entity_prototypes.
stack traceback:
[C]: in function ' index'
robot_tree_farm_update
robot_tree_farm_update
<__ robot_tree_farm_update
/control.lua: 128: in function 'tree_probability'
/control.lua:203: in function
/control.lua:155>