When you try to import photos or sync your photos, Lightroom for mobile (iOS) displays 'import stopped' or 'syncing disabled' message due to low device storage.
Lightroom for mobile (iOS) requires at least 450 MB of local space on your mobile device for syncing and importing image data. These functionalities do not work if your iPhone or iPad device is low on storage.
To have these Lightroom functionalities working again and reclaim the disk space on your iPhone or iPad, do the following:
For more details, see Apple's documentation: https://support.apple.com/HT201656.
Once you've checked how much space your apps use, manually delete the ones you don't need. You can always re-download your purchased apps or other content later. Follow these steps:
Some apps, such as Music and Videos, let you delete parts of their documents and data.
For additional details, see Apple's documentation: https://support.apple.com/HT203097.