Happened after placing a chest, waiting for a while and closing the chest UI

The mod Robot Recall V2 (0.3.2) caused a non-recoverable error.
Please report this error to the mod author.

Error while running event robot-recall-v2::on_nth_tick(180)
robot-recall-v2/control/robot-recall.lua:198: attempt to index field 'robot-recall-chest' (a nil value)
stack traceback:
robot-recall-v2/control/robot-recall.lua:198: in function 'updateRecallGuiList'
robot-recall-v2/control/robot-recall.lua:573: in function <robot-recall-v2/control/robot-recall.lua:565>

happened