--- title: "[Auto] Vue: Cannot read properties of undefined (reading 'toUpperCase')" url: "https://mycompassconsulting.com/compass_bug/auto-vue-cannot-read-properties-of-undefined-reading-touppercase/" author: X published: "2026-08-11T01:37:53-07:00" modified: "2026-08-11T01:37:53-07:00" --- # [Auto] Vue: Cannot read properties of undefined (reading 'toUpperCase') Component: VChip Lifecycle: https://vuejs.org/error-reference/#runtime-1 Stack: TypeError: Cannot read properties of undefined (reading 'toUpperCase') at https://mycompassconsulting.com/wp-content/plugins/xophz-compass/admin/dist/js/yellow-links-manage-cjh_WDxQ.js:1:3615 at Object.r [as default] (https://mycompassconsulting.com/wp-content/plugins/xophz-compass/admin/dist/js/vendor-PuojRGlT.js:1:23345) at default (https://mycompassconsulting.com/wp-content/plugins/xophz-compass/admin/dist/js/vendor-vuetify-CCGdm_kK.js:15:70554) at Q0 (https://mycompassconsulting.com/wp-content/plugins/xophz-compass/admin/dist/js/vendor-PuojRGlT.js:1:65196) at vr (https://mycompassconsulting.com/wp-content/plugins/xophz-compass/admin/dist/js/vendor-PuojRGlT.js:1:63289) at _4 (https://mycompassconsulting.com/wp-content/plugins/xophz-compass/admin/dist/js/vendor-PuojRGlT.js:1:63817) at Proxy. (https://mycompassconsulting.com/wp-content/plugins/xophz-compass/admin/dist/js/vendor-vuetify-CCGdm_kK.js:15:69364) at mb (https://mycompassconsulting.com/wp-content/plugins/xophz-compass/admin/dist/js/vendor-PuojRGlT.js:1:45697) at ZT.vt [as fn] (https://mycompassconsulting.com/wp-content/plugins/xophz-compass/admin/dist/js/vendor-PuojRGlT.js:1:55902) at ZT.run (https://mycompassconsulting.com/wp-content/plugins/xophz-compass/admin/dist/js/vendor-PuojRGlT.js:1:5687)