tramite ftp ho guardato il file error_log del modulo, questo è quello che si vede
[09-Feb-2019 10:43:28 Europe/Rome] PHP Fatal error: Uncaught PrestaShopException: Dispatcher::createUrl() miss required parameter "rewrite" for route "module-leoblog-blog" in /home/miositoweb/public_html/classes/Dispatcher.php:915
Stack trace:
#0 /home/miositoweb/public_html/classes/Link.php(1091): DispatcherCore->createUrl('module-leoblog-...', '1', Array, false, '', 1)
#1 /home/miositoweb/public_html/modules/gsitemap/gsitemap.php(352): LinkCore->getPageLink('module-leoblog-...', NULL, '1')
#2 /home/miositoweb/public_html/modules/gsitemap/gsitemap.php(609): Gsitemap->getMetaLink(Array, Array, 0, 38, 0)
#3 /home/miositoweb/public_html/modules/gsitemap/gsitemap-cron.php(61): Gsitemap->createSitemap(1)
#4 {main}
thrown in /home/miositoweb/public_html/classes/Dispatcher.php on line 915