Errors appear when playing back scripts with LoadRunner 8.0

Phenomena: The following error messages will appear in the AppeonServer.log or AppeonError.log when the scripts are played back with LoadRunner 8.0:

1154707726562:0 [06-08-04 09:08:46.562] 
[ (call())] The
 session does not exist.

Solution: This is a known issue with LoadRunner 8.0.

Please upgrade LoadRunner 8.0 to a later version.