Ghost/ghost/admin/app/components/modals/design/theme-errors.hbs

<div class="modal-content">
    <div class="theme-validation-container" data-test-modal="theme-errors">
        <header class="modal-header">
            <h1 data-test-theme-warnings-title>
                {{#unless @data.canActivate}}
                    {{@data.title}}
                {{else}}
                    {{@data.title}} with {{#if @data.errors}}errors{{else}}warnings{{/if}}
                {{/unless}}
            </h1>
        </header>
        <button type="button" class="close" title="Close" {{on "click" @close}}>{{svg-jar "close"}}<span class="hidden">Close</span></button>

        <div class="modal-body">
            {{#if @data.fatalErrors}}
                <div>
                    <h2 class="mb0 mt4 f5 fw6 red">Fatal Errors</h2>
                    <p class="mb2 red">Must-fix to activate theme</p>
                </div>
                <ul class="pa0" data-test-theme-fatal-errors>
                    {{#each @data.fatalErrors as |error|}}
                        <li class="theme-validation-item theme-fatal-error">
                            <GhThemeErrorLi @error={{error}} />
                        </li>
                    {{/each}}
                </ul>
            {{/if}}

            {{#if @data.errors}}
                <div>
                    <h2 class="mb0 mt4 f5 fw6">Errors</h2>
                    <p class="mb2">Highly recommended to fix, functionality <span>could</span> be restricted</p>
                </div>

                <ul class="pa0" data-test-theme-errors>
                    {{#each @data.errors as |error|}}
                        <li class="theme-validation-item theme-error">
                            <GhThemeErrorLi @error={{error}} />
                        </li>
                    {{/each}}
                </ul>
            {{/if}}

            {{#if (and @data.warnings (or @data.fatalErrors @data.errors))}}
                <div>
                    <h2 class="mb0 mt4 f5 fw6">Warnings</h2>
                </div>
            {{/if}}
            {{#if @data.warnings}}
                <ul class="pa0" data-test-theme-warnings>
                    {{#each @data.warnings as |error|}}
                        <li class="theme-validation-item theme-warning">
                            <GhThemeErrorLi @error={{error}} />
                        </li>
                    {{/each}}
                </ul>
            {{/if}}
        </div>
    </div>

    <div class="modal-footer">
        <button type="button" {{on "click" @close}} class="gh-btn" data-test-modal-close-button>
            <span>Ok</span>
        </button>
    </div>

</div>