Exception: Incorrect JSON kind

[jmcblane]

Running the basic bot example, I get the following crash after a short time:

basic_bot.nim(19)        basic_bot
asyncdispatch.nim(1656)  waitFor
asyncdispatch.nim(1516)  poll
asyncdispatch.nim(1282)  runOnce
asyncdispatch.nim(191)   processPendingCallbacks
asyncmacro.nim(36)       sessionHandleSocketMessage_continue
discord.nim(354)         sessionHandleSocketMessageIter
asyncmacro.nim(313)      handleDispatch
asyncmacro.nim(36)       handleDispatch_continue
discord.nim(252)         handleDispatchIter
json.nim(944)            newPresenceUpdate
[[reraised from:
basic_bot.nim(19)        basic_bot
asyncdispatch.nim(1656)  waitFor
asyncdispatch.nim(1516)  poll
asyncdispatch.nim(1282)  runOnce
asyncdispatch.nim(191)   processPendingCallbacks
asyncfutures.nim(349)    :anonymous
]]
Error: unhandled exception: Incorrect JSON kind. Wanted '{JObject}' in 'temp608520["game"]' but got 'JNull'.
Async traceback:
  basic_bot.nim(19)       basic_bot
  asyncdispatch.nim(1656) waitFor
  asyncdispatch.nim(1516) poll
    ## Processes asynchronous completion events
  asyncdispatch.nim(1282) runOnce
  asyncdispatch.nim(191)  processPendingCallbacks
    ## Executes pending callbacks
  asyncmacro.nim(36)      sessionHandleSocketMessage_continue
    ## Resumes an async procedure
  discord.nim(354)        sessionHandleSocketMessageIter
  asyncmacro.nim(313)     handleDispatch
  asyncmacro.nim(36)      handleDispatch_continue
    ## Resumes an async procedure
  discord.nim(252)        handleDispatchIter
  json.nim(944)           newPresenceUpdate
Exception message: Incorrect JSON kind. Wanted '{JObject}' in 'temp608520["game"]' but got 'JNull'.
Exception type: [JsonKindError]