[RCU] PHP Error: Deprecated hook name outgoing_message_headers -> message_outgoing_headers

[Frank Bonnet]

Hello

I have such errors in logs/errors file

[18-Feb-2011 15:20:31 +0100]: PHP Error: Deprecated hook name. 
outgoing_message_headers -> message_outgoing_headers in 
/usr/local/www/roundcube/program/include/rcube_plugin_api.php on line 
207 (GET /roundcube/?_task=settings)

Could someone explain to me what's wrong  ?

Thanks a lot

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