Passing a sys_file instance (instead of a sys_file_reference instance) fails due to hard-coded {f:uri.image(src: file.uid, treatIdAsReference: '1')} in Partial/Iframe.html.
(1/2) #1509741907 TYPO3Fluid\Fluid\Core\ViewHelper\Exception
No file reference (sys_file_reference) was found for given UID: "9"
Passing a
sys_fileinstance (instead of asys_file_referenceinstance) fails due to hard-coded{f:uri.image(src: file.uid, treatIdAsReference: '1')}inPartial/Iframe.html.