Deleted photos won't stop syncing

[Stacey34815278sut3]

Help! I'm at my wits end. I have 4473 photos pending for syncing in Lightroom classic. I have deleted the photos via the website and off my Lightroom app and they are still sitting there pending. I have just reset my Lightroom app so lost all my presets etc and it all seems to be for nothing.  How do I fix this?

[cmgap]

One option is to Rebuild Sync Data - depending on how many synced photos you have this could take some time. In the Sync tab of preferences hold down the option key and tap the Rebuild Sync Data button. Alternatively you could try to see which image(s) have stalled out sync, delete and then reimport those images. Do you see Sync Errors in the Catalog panel in the left column? If yes Delete all Sync Errors. It only takes one image to stall the process and this can happen for a variety of reasons. Make sure that your sync is not paused by looking in the cloud activity center to the right of the module switcher.