octobercms/october · error · Error

The tags argument must be an array

Error message

The tags argument must be an array

What it means

Error "The tags argument must be an array" thrown in octobercms/october.

Source

Thrown at modules/backend/vuecomponents/monacoeditor/assets/js/modeldefinition.js:40

        this.language = language;
        this.tabTitle = tabTitle;
        this.valueHolderObj = valueHolderObj;
        this.valueHolderProperty = valueHolderProperty;
        this.iconCssClass = iconCssClass;
        this.customAttributes = {};
    }

    get value() {
        return this.valueHolderObj[this.valueHolderProperty];
    }

    set value(value) {
        this.valueHolderObj[this.valueHolderProperty] = this.postProcess(value);
    }

    setModelTags(tags) {
        if (!Array.isArray(tags)) {
            throw new Error('The tags argument must be an array');
        }

        this.modelTags = tags;
    }

    hasTag(tag) {
        if (!Array.isArray(this.modelTags)) {
            return false;
        }

        return this.modelTags.indexOf(tag) !== -1;
    }

    setAutoPrefix(prefix, prefixRegex) {
        this.autoPrefix = prefix;
        this.autoPrefixRegex = prefixRegex;
    }

View on GitHub (pinned to b608633a7e)

When it happens

Trigger: Thrown at modules/backend/vuecomponents/monacoeditor/assets/js/modeldefinition.js:40 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/2a0c992ad5aa4a14. Report an issue: GitHub.