Unable to authenticate

Below is the script I am running, however I am unable to authenticate even after providing correct credentials. Thanks for help in advance

logData 0

// bring up the login screen
navigate https://crmdev84.pegacloud.net/prweb/PRAuth

logData 1

// log in
setValue id=txtUserID testoperator
setValue id=txtPassword dummypwd
submitForm id=pegaLogin