what does failed to update headers mean?

[Backtoboogie]

I am not receiving any emails in Outlook. Whenever I try to open my inbox I
get a popup box that says "Failed to update headers" What does this mean and
how do I fix it?

 

[Brian Tillman [MVP-Outlook]]

I am not receiving any emails in Outlook. Whenever I try to open my inbox I
get a popup box that says "Failed to update headers" What does this mean
and
how do I fix it?

What version of Outlook and what type of account?