We are looking for XML experts.

Please make the RSS FEED work properly on my homepage.
My website: http://view.addpang.com

All other RSS feeds on my homepage are working.
However, only these FEED URLs do not work.
https://images-cdn.newspic.kr/rss/np210929J9ryE60z_pet.xml

working conditions
1. Please make this FEED URL work.
https://images-cdn.newspic.kr/rss/np210929J9ryE60z_ent.xml

2. When the work is completed, please let me know the file you worked on

3. When another error occurs due to work, it must be restored to its original state.