Pogo games not loading again

I cannot get into any games at all, I get an empty page with this error on 

rror>

<Code>RequestHeaderSectionTooLarge</Code>

<Message>

Your request header section exceeds the maximum allowed size.

</Message>

<MaxSizeAllowed>8192</MaxSizeAllowed>

<RequestId>1DJJBR5MCS3K9VQJ</RequestId>

<HostId>

JaEy9ddGCRnIjO4DGljWeyqZOrYqXIRwKXAKVLjc/3uxeDu3uCMbKOdEUn1gX5VntU4HvjpB7ns=

</HostId>

</Erro

any help please