Assert failed - FR 2.2.4 OS X Lion

Run FR 2.2.4 on os x lion Periodically I get :- Thu Apr 10 08:35:47 2014 : Info: WARNING: Child is hung for request 1312 in component authorize module auth_log. Thu Apr 10 08:36:04 2014 : Info: WARNING: Child is hung for request 1312 in component authorize module auth_log. Thu Apr 10 08:36:29 2014 : Info: WARNING: Child is hung for request 1312 in component authorize module auth_log. Thu Apr 10 08:37:08 2014 : Info: WARNING: Child is hung for request 1312 in component authorize module auth_log. Thu Apr 10 08:38:45 2014 : Error: ASSERT FAILED event.c[543]: request->child_state == REQUEST_DONE Thu Apr 10 18:53:43 2014 : Info: Starting - reading configuration fi Rgds A