The pairing code is invalid or has expired
The pairing code entered in Z Market Lab is incorrect or has expired, so pairing failed. Generate a new code in Trade and enter it.
What it means
The pairing code entered in Z Market Lab is incorrect or has expired, so pairing failed. On the Trade side, an expired code shows This Z Market Lab authorization has expired. Start connecting again.
Why it happens
A pairing code expires a few minutes after it is generated. It may also have been mistyped.
What to do
In Trade, open the Z Market Lab page and choose Generate a pairing code. On 0.2.135 and earlier it is under Signals, in Receiving rules.
In Z Market Lab, open the Connection tab on the ZML Trade page, choose Pair and enter the new code.
Back in Trade, confirm the connection to Z Market Lab.
For the full steps, see Pair with Z Market Lab. For other cases, see Pairing failed.