[Solved]3.0 to 3.2.7 - contao image selector broken

after updating from 3.0 to 3.2.7

Getting this error from the contao image selector it appears where the new selection should appear.

Fatal error: Uncaught exception Exception with message No parent entry for / thrown in system/modules/core/library/Contao/Dbafs.php on line 151

#0 system/modules/core/classes/Ajax.php(333): Contao\Dbafs::addResource('/files/images/p...')
#1 system/modules/core/classes/Backend.php(264): Contao\Ajax->executePostActions(Object(Contao\DC_Table))
#2 contao/main.php(136): Contao\Backend->getBackendModule('article')
#3 contao/main.php(287): Main->run()
#4 {main}


it refers to this part of Dbafs

// The parent ID should be in $arrPids
// Do not use isset() here, because the PID can be null
if (array_key_exists($strParent, $arrPids))
{
$strPid = $arrPids[$strParent];
}
else
{
throw new \Exception("No parent entry for $strParent");
}



Any Ideas?

OK found the issue

from config

This worked fine in 3.0
$GLOBALS['TL_CONFIG']['uploadPath'] = '/files';

Was fixed like so
$GLOBALS['TL_CONFIG']['uploadPath'] = 'files';

Phew :#