anchor.diff:          catch
               E1:E2 ->
                   ?error_stacktrace("Error in ~p log_link_del. Args: ~p. Error: ~p:~p.",
  -                    [{__Cache, Key, ModelName, LinkNames, Action}, E1, E2]),
  +                    [__Cache, {Key, ModelName, LinkNames, Action}, E1, E2]),
                   {error, preparing_disk_op_failed}
           end
   ).
  
positive.code:         catch
              E1:E2 ->
                  ?error_stacktrace("Error in ~p end_disk_op. Args: ~p. Error: ~p:~p.", 
                      [{__Cache, Key, ModelName, Op}, E1, E2]),
                  {error, ending_disk_op_failed}
          end
  ).
  
negative.code:         catch
              E1:E2 ->
                  ?error_stacktrace("Error in ~p start_disk_op. Args: ~p. Error: ~p:~p.",
                      [__Cache, {Key, ModelName, Op}, E1, E2]),
                  {error, preparing_disk_op_failed}
          end
  ).
  