octobercms/october · error · Error

Key property ${keyProperty} is not found in the object list

Error message

Key property ${keyProperty} is not found in the object list itemProperties array. Property: ${property}

What it means

Error "Key property ${keyProperty} is not found in the object list itemProperties array. Property: ${property}" thrown in octobercms/october.

Source

Thrown at modules/backend/vuecomponents/inspector/assets/js/control-objectlist.js:61

                    parentControl: this.control
                }
            ],
            lang: {},
            unwatches: []
        };
    },
    computed: {
        keyProperty: function computeKeyProperty() {
            if (!this.control.keyProperty) {
                return null;
            }

            var property = this.findProperty(this.control.keyProperty);
            if (property) {
                return property;
            }

            throw new Error('Key property ' + this.control.keyProperty + ' is not found in the object list itemProperties array. Property: ' + this.control.property);
        },

        titleProperty: function computeTitleProperty() {
            var property = this.findProperty(this.control.titleProperty);
            if (property) {
                return property;
            }

            throw new Error('Title property ' + this.control.titleProperty + ' is not found in the object list itemProperties array. Property: ' + this.control.property);
        },

        editPopupTitleStr: function computeEditPopupTitleStr() {
            return this.control.editPopupTitle ? this.control.editPopupTitle : this.control.title;
        }
    },
    methods: {
        findProperty: function findProperty(propertyName) {
            for (var index = 0; index < this.control.itemProperties.length; index++) {

View on GitHub (pinned to b608633a7e)

When it happens

Trigger: Thrown at modules/backend/vuecomponents/inspector/assets/js/control-objectlist.js:61 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of octobercms/october@b608633a7e (2026-08-21). Data as JSON: /api/errors/c765e4eafdfb3ff0. Report an issue: GitHub.