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</head><body><p>Hello everyone,</p><p>I'm using Mapproxy 1.12, I would like to re-generated some tiles that I have deleted because for some reason were broken. <br></p><p>I can't seed them on the fly, and I don't want to seed everything again because it's a level 17 of a large area.<br></p><p>I have a seed with the refresh_before option (e.g. weeks: 15), but if I run it, no tiles are generated.<br></p><p>I also tried not to delete the broken tiles but changing the file date and time to 01/01/2000, and seed again with refresh_before time: 2010-01-01T12:00:00 but nothing happens.</p><p>Is it possible to do this? Where I am wrong?<br></p><p>Thanks<br></p><p>Marco</p></body></html>