anchor.diff:  		{aborted, {already_exists, subscriber}} ->
   			error_logger:info_msg("Found existing subscriber table.~n"),
   			install5(Nodes, [subscriber| Acc]);
  -		{error, Reason} ->
  +		{aborted, Reason} ->
   			error_logger:error_report([mnesia:error_description(Reason),
   				{error, Reason}]),
   			{error, Reason}
  
positive.code: 		{aborted, {already_exists, httpd_user}} ->
  			error_logger:info_msg("Found existing httpd_user table.~n"),
  			install6(Nodes, [httpd_user | Acc]);
  		{error, Reason} ->
  			error_logger:error_report([mnesia:error_description(Reason),
  				{error, Reason}]),
  			{error, Reason}
  
negative.code: 		{aborted, {already_exists, client}} ->
  			error_logger:info_msg("Found existing client table.~n"),
  			install4(Nodes, [client | Acc]);
  		{aborted, Reason} ->
  			error_logger:error_report([mnesia:error_description(Reason),
  				{error, Reason}]),
  			{error, Reason}
  