Getting error message while replaying web service script

Hi Team,

While replaying script in Load Runner, for the function 'web_service_call', I am getting error message as-

1- "Could not find file 'C:\Program Files (x86)\HP\Analysis\dat\web_service_call..xsl". and

2- "Could not find file 'C:\Program Files (x86)\HP\Analysis\dat\http..xsl".

Kindly let me know how to resolve this.