Main asset is not responding for some characters

API Bug Report
1

Some of the characters return their avatar image but main background image returns an error.

[SUCCESS]
https:// render . worldofwarcraft . com/eu/character/draenor/10/175469578-avatar.jpg
[ACCESS DENIED]
https:// render . worldofwarcraft . com/eu/character/draenor/10/175469578-main.jpg

[SUCCESS]
https:// render . worldofwarcraft . com/eu/character/silvermoon/16/210768144-avatar.jpg
[ACCESS DENIED]
https:// render . worldofwarcraft . com/eu/character/silvermoon/16/210768144-main.jpg

[SUCCESS]
https:// render . worldofwarcraft . com/us/character/moon-guard/35/175952675-avatar.jpg
[ACCESS DENIED]
https:// render . worldofwarcraft . com/us/character/moon-guard/35/175952675-main.jpg