ESXi 5.5 (Releasebuild 3568722) - Purple Screen ( PCPU 57 locked up. Failed to ack TLB invalidate )

Hi Guys.

Today, my ESXi 5.5 Enterprise Plus, breaked and show this message attached in this post.

Someone can explain to me why error ocorrs and the solution to fix it?

Thanks guys!

Regards.

Luiz Rubens.