My software vendor requires me to add the instrument ES ##-##.
When I try to add it I get the attached error message.
I am adding it using the above code along with globex as the exchange which I have a valid paid for data feed but it's the error message that is the problem.
For your info - there are many other users of his software that don't have this issue.
Any suggestions would be greatly apprecaited.
Many thanks guys as always,
Adam.

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