http://top1forum.com/sitemap_1.xml.gz
Your sitemap contains 2,739 URLs (5.5% full). This is within acceptable limits.

Your sitemap is 499,430 bytes in size (499,430 bytes when compressed) This is within acceptable limits.

Your sitemap at http://top1forum.com/sitemap_1.xml.gz is invalid.
Below is a list of errors found on your sitemap. Have you considered becoming a Pro Member and allowing AutoMapIt to handle your sitemaps?
Error Code: Element '{http://www.sitemaps.org/schemas/sitemap/0.9}lastmod': This element is not expected. Expected is ( ##other{http://www.sitemaps.org/schemas/sitemap/0.9}* ). on line 11
Error Code: Element '{http://www.sitemaps.org/schemas/sitemap/0.9}lastmod': This element is not expected. Expected is ( ##other{http://www.sitemaps.org/schemas/sitemap/0.9}* ). on line 17
Error Code: Element '{http://www.sitemaps.org/schemas/sitemap/0.9}lastmod': This element is not expected. Expected is ( ##other{http://www.sitemaps.org/schemas/sitemap/0.9}* ). on line 23
Error Code: Element '{http://www.sitemaps.org/schemas/sitemap/0.9}lastmod': This element is not expected. Expected is ( ##other{http://www.sitemaps.org/schemas/sitemap/0.9}* ). on line 29
Error Code: Element '{http://www.sitemaps.org/schemas/sitemap/0.9}lastmod': This element is not expected. Expected is ( ##other