publication errors on IS log files.

I am getting below exceptions on my IS log files. can any body help me how can fix the below errors.

event workFlow::Procsrv::WorkflowLog {
int stepStatus = 2;
boolean isProcessStart = false;
unicode_string stepLabel = “Notification”;
unicode_string stepId = “proj.16_PDTYPE_CONTROLLER/doc.44/object.xml_5474055_1138092212414”;
unicode_string processLabel = “Manager Timer”;
unicode_string processKey = “proj.16_PDTYPE_CONTROLLER/doc.44/object.xml_1.0.D0029”;
unicode_string parentStepId = “proj.16_PDTYPE_PROCESS/doc.3/object.xml_1309945_1138084852180”;
boolean hasUserData = false;
unicode_string customId = “wm6db1edac0af3911da9de1b86998d42935”;
int instanceIteration = 1;
int parentInstanceIteration = 1;
int stepIteration = 1;
unicode_string serverInstanceId = “10.228.182.128:0:320385”;
int systemName = 2;
struct {
unicode_string activation;
unicode_string businessContext;
int age;
int flags;
unicode_string logHost;
unicode_string logBroker;
date enqueueTime;
date recvTime;
unicode_string pubId;
} _env = {
activation = “wm6db1ed319673”;
businessContext = “wm6:d5037060af3911da9db4b86998d42935\snull\snull:wm6db1ed319673\swm6db1ed319534\swm6db1edac0af3911da9de1b86998d42935:null:IS_61IS_61IS_61”;
age = 470487;
flags = 2;
logHost = “TEST1234:6859”;
logBroker = “//development”;
enqueueTime = “03/09/2006 02:12:01.832”;
recvTime = “03/09/2006 02:12:01.832”;
pubId = “wFMonitor”;
};
};