Can't Refund Item into emblem

Dear Admin,

i can't sell back my item,
i also try sugest at this link : https://forum.warmane.com/showthread.php?t=450979
but it won't work as well
please help.

https://i.postimg.cc/FzZv32Nf/Wo-WSc...823-232633.jpg

https://i.postimg.cc/9FMKL4Bg/Wo-WSc...823-232802.jpg

Thank you,

problem solved by doing saving gear that i won't sell into bank 1st, then i sell back the double item i bough.

thank you.