Building a Cat Photo App - Step 15

I’m stuck on this I need some help I’ve tried the link in front of the image . Please explain what I’m doing wrong so I can know exactly what it is. Thank you

If you have a question about a specific challenge as it relates to your written code for that challenge, and you’ve tried to solve it at least 3 times so far and still need some help, just click the Ask for Help button located on the challenge (it looks like a question mark).
This button will create a new topic with all code you have written and include a link to the challenge also. You will still be able to ask any questions in the post before submitting it to the forum.

Thank you.