q&A

Hi,
when i try and add an answer to the Q&A i get the following error:
No data received
Unable to load the webpage because the server sent no data.
Here are some suggestions:
Reload this webpage later.
Error 324 (net::ERR_EMPTY_RESPONSE): The server closed the connection without sending any data.

please advise, my site is hosted with mamp
many thanks
Rennae