TYPO3 Core

I just tested the new tcatree and got a fatal error.

my test-configuration inside my own extension:
-----------
'pages' => array (
'exclude' => 0,
'label' => 'LLL:EXT:banner/locallang_db.xml:tx_banner_domain_model_banner.pages',
'config' => array (
'type' => 'select',
'foreign_table' => 'pages',
'foreign_table_where' => 'ORDER BY pages.uid',
'size' => 5,
'minitems' => 0,
'maxitems' => 20,
'renderMode' => 'tree',
'treeConfig' => array(
'parentField' => 'pid',
'appearance' => array(
'expandAll' => TRUE,
'showHeader' => TRUE,
)
)
)
),
------------

error: #1: PHP Catchable Fatal Error: Argument 2 passed to t3lib_iconWorks::mapRecordTypeToSpriteIconClass(

(issue imported from #M16353)