I don't know if I can help on the specific issue and if it is now solved, but I had some issues with some VY tickets. I wanted to credit them to IB+, but if it is ticketed from BA inventory then IB doesn't accept it : no Avios or status points. What I did was to create a Vueling account and link that to avios.com. All my Vueling flights show up in Avios.com automatically, and I have the option to combine my Avios and transfer from there to BAEC or IB+. I have the same e-mail on Vueling Club and on Avios.com (I use email to log in in both, not numbers) – however I created the Vueling account first (in case that makes any difference).