anchor.diff:  			file_chunk(Log, IoDevice, tuple, start);
   		{error, Reason} ->
   			error_logger:error_report([file:format_error(Reason),
  -					{module, ?MODULE}, {log, Log}, {error, Reason}]),
  +					{module, ?MODULE}, {log, Log},
  +					{filename, FileName}, {error, Reason}]),
   			{error, Reason}
   	end.
   
  
positive.code: 				ok ->
  					ok;
  				{error, Reason} ->
  					error_logger:error_report([disk_log:format_error(Reason),
  							{module, ?MODULE}, {log, IpdrLog}, {error, Reason}]),
  					{error, Reason}
  			end;
  		{error, Reason} ->
  			error_logger:error_report([disk_log:format_error(Reason),
  					{module, ?MODULE}, {log, IpdrLog}, {error, Reason}]),
  			disk_log:close(IpdrLog),
  			{error, Reason}
  	end.
  
negative.code: 			ipdr_xml(Log, IoDevice, {Cont, T});
  		{error, Reason} ->
  			error_logger:error_report([file:format_error(Reason),
  					{module, ?MODULE}, {log, Log}, {error, Reason}]),
  			file:close(IoDevice),
  			disk_log:close(Log),
  			{error, Reason}
  