I have seen this error which I thought was related to a keep-alive error (* as the last parameter) in the HTTP client implementation, but it appears you are not using that option. My work-around was to just retry the request which seemed to work. Might be worth a try.
John DeSoi, Ph.D. > On Jan 15, 2019, at 6:41 PM, Tom-Lists via 4D_Tech <4d_tech@lists.4d.com> > wrote: > > in v17.0: > Error code: 17 (4DRT) > Unimplemented control instruction. ********************************************************************** 4D Internet Users Group (4D iNUG) Archive: http://lists.4d.com/archives.html Options: https://lists.4d.com/mailman/options/4d_tech Unsub: mailto:4d_tech-unsubscr...@lists.4d.com **********************************************************************