recent submission not showing on home in DSpace 7

[Seun Adewoye]

Hi, I need help

recent submission not showing on home in DSpace 7 when the thumbnail is activated in config.*.yml. I keep getting this error message:

main.96cc48681adf7bbd.js:1
       
       ERROR Error: followLink('thumbnail') was used as a required link for a r, but there is no property on r models with an @link() for thumbnail
    at l.resolveLinkWithoutAttaching (main.96cc48681adf7bbd.js:1:84637)
    at l.resolveLink (main.96cc48681adf7bbd.js:1:84868)
    at main.96cc48681adf7bbd.js:1:83654
    at Array.forEach (<anonymous>)
    at l.resolveLinks (main.96cc48681adf7bbd.js:1:83637)
    at main.96cc48681adf7bbd.js:1:86342
    at l.subscribe.p (main.96cc48681adf7bbd.js:1:2562293)
    at o._next (main.96cc48681adf7bbd.js:1:2554457)
    at o.next (main.96cc48681adf7bbd.js:1:2543233)
    at subscribe.r (main.96cc48681adf7bbd.js:1:2562328)