Attempt to reuse request in httprequest.sendsync()

Can someone help me decypher this error?
2014-09-01 16:28:37 UTC+1 [Agent] ERROR: attempt to reuse request in httprequest.sendsync()
2014-09-01 16:28:37 UTC+1 [Agent] ERROR: at unknown:4

I have my agent to call a sms service

It sounds as if you have set up the httprequest, called it once, then called it again, and Squirrel expects you only to send the request once. Try making a new httprequest before each sendsync()?

Right, thank you

solved!