Unexpected Application Error!

Cannot read properties of undefined (reading 'slug')

TypeError: Cannot read properties of undefined (reading 'slug')
    at http://localhost:4179/assets/ProjectPage-CzIZt_YD.js:1:283
    at Array.findIndex (<anonymous>)
    at $ (http://localhost:4179/assets/ProjectPage-CzIZt_YD.js:1:268)
    at sc (http://localhost:4179/assets/index-Dl6SIsWx.js:33:47888)
    at Mc (http://localhost:4179/assets/index-Dl6SIsWx.js:33:70635)
    at pr (http://localhost:4179/assets/index-Dl6SIsWx.js:33:80753)
    at Jr (http://localhost:4179/assets/index-Dl6SIsWx.js:33:116657)
    at f0 (http://localhost:4179/assets/index-Dl6SIsWx.js:33:115720)
    at Fc (http://localhost:4179/assets/index-Dl6SIsWx.js:33:115556)
    at kr (http://localhost:4179/assets/index-Dl6SIsWx.js:33:112377)