I keep getting this error on my sitemap for wordpress Can anyone tell me what is happening here? * The last run didn't finish! Maybe you can raise the memory or time limit for PHP scripts. Learn more * The last known memory usage of the script was 9.25MB, the limit of your server is 64M. * The last known execution time of the script was 0.07 seconds, the limit of your server is 30 seconds. * The script stopped around post number 29 (+/- 100) * If you changed something on your server or blog, you should rebuild the sitemap manually. * If you encounter any problems with the build process you can use the debug function to get more information.