Error

Error message

Warning: Cannot modify header information - headers already sent by (output started at /opt/dr7/core/includes/common.inc:2861) in drupal_send_headers() (line 1554 of /opt/dr7/core/includes/bootstrap.inc).
Error: Call to undefined function apc_clear_cache() in eval() (line 2 of /opt/dr7/core/modules/php/php.module(80) : eval()'d code).

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