В Bitrix Component Param Manager получаю ошибку Uncaught TypeError: Cannot read property 'groupIndex' of null, как исправить?

component_params_manager.js:209 Uncaught TypeError: Cannot read property 'groupIndex' of null    at e.BuildComponentParams (component_params_manager.js:209)
    at h (component_params_manager.js:114)
    at component_params_manager.js:107

BuildComponentParams: function(data, params)
    {
        var
            container = params.container,
            _this = this,
            i, group, cont, param, value;

        this.paramsIndex = {};
        this.groupIndex = {};
        if (!data.groupIndex) // ТУТ ОШИБКА
            data.groupIndex = {};

        this.searchIndex = [];
        BX.cleanNode(container);
        BX.addClass(container, 'bxcompprop-wrap');

        var scrollPos = BX.GetWindowScrollPos();

        this.pContainer = container;
        // Build groups
        this.pLeftSide = container.appendChild(BX.create("DIV", {props: {className: 'bxcompprop-left'}}));

        var pSearchCont = this.pLeftSide.appendChild(BX.create("DIV", {props: {className: 'bxcompprop-l-top'}}));
        this.pSearchInput = pSearchCont.appendChild(BX.create("INPUT", {props: {type: 'text', className: 'bxcompprop-search', placeholder: BX.message('CompParManSearch')}}));
        BX.bind(this.pSearchInput, 'keyup', BX.proxy(this.SearchCheck, this));

        this.pGroupsIndex = this.pLeftSide.appendChild(BX.create("DIV", {props: {className: 'bxcompprop-items-block'}}));

        BX.bind(this.pGroupsIndex, 'click', BX.proxy(this.GoToGroup, this));
        this.pParamsCont = container.appendChild(BX.create("DIV", {props: {className: 'bxcompprop-right'}}));

        // Display title
        var pTitleCont = this.pParamsCont.appendChild(BX.create("DIV", {props: {className: 'bxcompprop-title'}}));
        var pTitleWrap = pTitleCont.appendChild(BX.create("SPAN", {props: {className: 'bxcompprop-title-text'}}));
        this.pTitle = pTitleWrap.appendChild(BX.create("SPAN", {props: {className: "bxcompprop-title-text-lbl"}, text: data.description.NAME}));
        this.pHelpIcon = pTitleWrap.appendChild(BX.create("SPAN", {props: {className: 'bxcompprop-title-info-btn'}}));
        this.pHelpIcon.title = data.description.DESCRIPTION;
        this.pName = pTitleWrap.appendChild(BX.create("SPAN", {props: {className: "bxcompprop-title-description"}, text: params.name}));

        var pParamsWrap = this.pParamsCont.appendChild(BX.create("DIV", {props: {className: 'bxcompprop-content'}}));
        pParamsWrap.appendChild(BX.create("DIV", {props: {className: 'bxcompprop-nothing-found'}, text: BX.message('NoSearchResults')}));

        this.pParamsTable = pParamsWrap.appendChild(BX.cre ate (" TABLE", {props: {className: 'bxcompprop-content-table'}}));
        this.pParamsWrap = pParamsWrap;
        BX.bind(this.pParamsWrap, 'scroll', BX.proxy(this.CheckActiveGroup, this));

        var
            pGroup,
            td, tr,
            frag;

        // Add template group to the beginning
        if (!data.groupIndex["COMPONENT_TEMPLATE"] && data.templates.length > 0)
        {
            data.groups = [{ID: "COMPONENT_TEMPLATE", NAME: BX.message('TemplateGroup'), SORT: 0}].concat(data.groups);
        }

        for (i = 0; i < data.groups.length; i++)
        {
            group = data.groups[i];

            // 1. Create label on the left side
            pGroup = BX.create("DIV", {props: {className: 'bxcompprop-item'}, attrs: {'data-bx-comp-group-id': group.ID}, html: '<span class="bxcompprop-item-alignment"></span><span class="bxcompprop-item-text">' + BX.util.htmlspecialchars(group.NAME) + '</span>'});

            this.pGroupsIndex.appendChild(pGroup);

            frag = document.createDocumentFragment();
            // 2. Create section in params container
            tr = BX.adjust(frag.appendChild(BX.create("TR")), {props: {className: 'bxcompprop-prop-tr'}});
            td = BX.adjust(tr.insertCell(-1), {props: {className: 'bxcompprop-cont-table-title', colSpan: 2}, text: group.NAME});

            this.groupIndex[group.ID] = data.groupIndex[group.ID] = {
                group: group,
                frag: frag,
                leftIndex: pGroup,
                titleCell: td,
                titleRow: tr,
                empty: group.ID != 'COMPONENT_TEMPLATE'
            };

            if (i === 0)
            {
                this.SetActiveGroup(group.ID);
            }
        }