unable to deserialise packed with pid blabla

I am sorry to hear this is happening. Errors regarding packet deserialisation are typically associated with packet loss caused by the use of a wireless router. Could you please confirm if you are using a wired or wireless connection and if this issue persists when using a wired connection?

Giving your computer high priority on your router has been known to help. Also, closing any other internet related programs such as internet browsers, music streaming or torrents has also shown to reduce this issue.

For more information on this issue, and potential solutions I recommend the following thread on our forums:

https://www.pathofexile.com/forum/view-thread/549535