I think in "ImageThumbnailTrait" are missing multiple checks if "thumbnail status cache" is disabled. We disabled status cache but data "content-length" is still used from (old) cache tables... Example for missing check https://github.com/pimcore/pimcore/blob/e4078d3ecd037b5d49d14653cef3213f37de0d92/models/Asset/Thumbnail/ImageThumbnailTrait.php#L388 Checks already exists in other lines, per example here: ` $statusCacheEnabled = PimcoreConfig::getSystemConfiguration('assets')['image']['thumbnails']['status_cache']; if ($statusCacheEnabled) ....`