do you have your own PCC? if so you can combine the userid like this: V1:EPR:PCC:AA. Then it should works.

If you have self registered application. you can also try that. the full string will be showing in your account page.

ref:

Build your User ID using your: 
1) EPR, 
2) PCC (a.k.a. Group), 
3) Domain ("AA" for Travel Network customers, or your airline code for Airline Solutions customers, e.g. "LA"). 
Separate each value with a colon.