Error while running event BotPrioritizer::botprio-hotkey (ID 177)
LuaPlayer doesn't contain key clean_cursor.
stack traceback:
[C]: in function 'index'
__BotPrioritizer/control.lua:128: in function 'produce_tool'
BotPrioritizer/control.lua:186: in function <BotPrioritizer/control.lua:171>
2277.328 Error ServerMultiplayerManager.cpp:91: MultiplayerManager failed: "The mod Bot Prioritizer (0.2.1) caused a non-recoverable error.
Please report this error to the mod author.

Error while running event BotPrioritizer::botprio-hotkey (ID 177)
LuaPlayer doesn't contain key clean_cursor.
stack traceback:
[C]: in function 'index'
__BotPrioritizer/control.lua:128: in function 'produce_tool'
BotPrioritizer/control.lua:186: in function <BotPrioritizer/control.lua:171>"
2277.328 Info ServerMultiplayerManager.cpp:783: updateTick(2249553) changing state from(InGame) to(Failed)

Did you manually modify the info.json to get it to load in 1.1? If so, this is expected and not a bug. 1.1 isn't supported yet.