Piwik Log in issue , Form security failed. (no replies)

Hi ,

I facing the issue during the piwik login, some times i am receiving the below error and unable to login , after multiple atttemps i am able to log into the piwik , please refer the attchment for the error.

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Form security failed. Please reload the form and check that your cookies are enabled. If you use a proxy server, you must configure Piwik to accept the proxy header that forwards the Host header. Also, check that your Referer header is sent correctly.
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piwik version is 1.10.1
Please help to advice how to fix this issue , thank you


Regrads,
Anjan