Groovy to insert messages from Service request header

Summary:

Based on an attribute value on Service request header, Would like to insert an internal note row in message tab via groovy

Content (required):

def srid = getAttribute('SrId')

def msg = messages.createRow() 

 msg.setAttribute('SrId',srid)

 msg.setAttribute('MessageTypeCd','ORA_SVC_INTERNAL_NOTE')

 msg.setAttribute('MessageContent','Hello')

 msg.setAttribute('StatusCd','ORA_SVC_COMMITTED')

 messages.insertRow(msg)

Getting following error on executing above code : Post threshold limit reached. Some entities yet to be posted.

Version (include the version you are using, if applicable):

Code Snippet (add any code snippets that support your topic, if applicable):