The TemplateApiInputTypeController::addStuffToElement() method needs default '#prefix' and '#suffix' mark up.
>>> [!note] Migrated issue
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<!-- Migrated from issue #1894236. -->
Reported by: [Adam S](https://www.drupal.org/user/584600)
>>>
<p>The PHP notice is:</p>
<pre>Notice: Undefined index: #prefix in TemplateApiInputTypeController->addStuffToElement() (line 146 of C:\wamp\www\learn\sites\all\modules\template_field\template_api\includes\input_type.inc).<br>Notice: Undefined index: #suffix in TemplateApiInputTypeController->addStuffToElement() (line 147 of C:\wamp\www\learn\sites\all\modules\template_field\template_api\includes\input_type.inc).<br>Notice: Undefined index: #prefix in TemplateApiInputTypeController->addStuffToElement() (line 146 of C:\wamp\www\learn\sites\all\modules\template_field\template_api\includes\input_type.inc).<br>Notice: Undefined index: #suffix in TemplateApiInputTypeController->addStuffToElement() (line 147 of C:\wamp\www\learn\sites\all\modules\template_field\template_api\includes\input_type.inc).<br>Notice: Undefined index: #prefix in TemplateApiInputTypeController->addStuffToElement() (line 146 of C:\wamp\www\learn\sites\all\modules\template_field\template_api\includes\input_type.inc).<br>Notice: Undefined index: #suffix in TemplateApiInputTypeController->addStuffToElement() (line 147 of C:\wamp\www\learn\sites\all\modules\template_field\template_api\includes\input_type.inc).<br>Notice: Undefined index: #prefix in TemplateApiInputTypeController->addStuffToElement() (line 146 of C:\wamp\www\learn\sites\all\modules\template_field\template_api\includes\input_type.inc).<br>Notice: Undefined index: #suffix in TemplateApiInputTypeController->addStuffToElement() (line 147 of C:\wamp\www\learn\sites\all\modules\template_field\template_api\includes\input_type.inc).<br>Notice: Undefined index: #prefix in TemplateApiInputTypeController->addStuffToElement() (line 146 of C:\wamp\www\learn\sites\all\modules\template_field\template_api\includes\input_type.inc).<br>Notice: Undefined index: #suffix in TemplateApiInputTypeController->addStuffToElement() (line 147 of C:\wamp\www\learn\sites\all\modules\template_field\template_api\includes\input_type.inc).<br>Recoverable fatal error: Argument 3 passed to TemplateApiInputTypeController::getForm() must be an instance of Template, none given, called in C:\wamp\www\learn\sites\all\modules\template_field\template_api\plugins\input_types\vertical_tabs.inc on line 20 and defined in TemplateApiInputTypeController->getForm() (line 127 of C:\wamp\www\learn\sites\all\modules\template_field\template_api\includes\input_type.inc)</pre><p>There is an assumption that the form elements '#prefix' and '#suffix' has been previously set which is not the case.</p>
<div class="codeblock">
<pre><span style="color: #000000"><span style="color: #0000BB"><?php<br> $element</span><span style="color: #007700">[</span><span style="color: #0000BB">$element_key</span><span style="color: #007700">][</span><span style="color: #DD0000">'#prefix'</span><span style="color: #007700">] .= </span><span style="color: #DD0000">'<div class="template-input ' </span><span style="color: #007700">. </span><span style="color: #0000BB">$element_id </span><span style="color: #007700">. </span><span style="color: #DD0000">'">'</span><span style="color: #007700">;<br> </span><span style="color: #0000BB">$element</span><span style="color: #007700">[</span><span style="color: #0000BB">$element_key</span><span style="color: #007700">][</span><span style="color: #DD0000">'#suffix'</span><span style="color: #007700">] = </span><span style="color: #DD0000">'</div>' </span><span style="color: #007700">. </span><span style="color: #0000BB">$element</span><span style="color: #007700">[</span><span style="color: #0000BB">$element_key</span><span style="color: #007700">][</span><span style="color: #DD0000">'#suffix'</span><span style="color: #007700">];<br></span><span style="color: #0000BB">?></span></span></pre></div>
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