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Getting "CONERR,71,License not valid for this Client type" on create_session.txt

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I am trying to use the lightstreamer text protocol to create session. But I am getting CONERR,71,License not valid for this client type. Can someone please let me know what I am doing wrong. Here is the http post request I'm using:

POST lightstreamer/create_session.txt?LS_protocol=TLCP-2.1.0 HTTP/1.1 Host: https://push.cityindex.com Accept: */* Content-Length: 65 Content-Type: text/plain LS_user=user&LS_adapter_set=STREAMINGALL&LS_cid=mgQkwtwdysogQz2BJ4Ji %20kOj2Bg


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Hello Nat,

Lightstreamer error code 71 indicates that the client version used is incompatible with the server version of Lightstreamer.

Several months ago we upgraded to use the latest Lightstreamer v7.03. Please ensure you have downloaded the correct Client Development Kit for Lightstreamver v7.03 from: https://lightstreamer.com/download/#ls70.

Once you are using the compatible Client Development Kit for LS v7.03 the error should resolve itself.

Kind Regards, PM

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