500 Internal Server Error on one Post and then Homepage only

Hello everyone, maybe someone here has an answer to this one. I have been having a problem for the last 24 hours getting a 500 Internal Server Error on my blog.

https://www.realestateradiousa.com/blog

The error was only coming up on the homepage and the archives. I deleted the .htaccess file and reset the permalinks to default and everything was ok. The trouble with that is I have several hundred hard links throughout the blog and I would have to changes them all. In addition, we have already sent out millions of marketing pieces to people with the specific “pretty” urls.

After a few hours of reading and messing around with the permalinks and .htaccess file, I went back and put some of the last pages I created to draft instead of publish. Well, that fixed the 500 error on the homepage, but not the archive. I can live with that for right now, so no problem. I wake up this morning and 500 error again. I have to put a few MORE pages I created to draft to get it working again….

Finally after doing this 3 times, I set to draft a whole tier of pages, for instance. Free Tools>Investment Clubs>(Each State had it’s own page). I put the whole Investment Clubs into draft and no 500 error on homepage anymore.

Now, just a few minutes ago, our most commented and viewed post is now getting a 500 error. It has not been changed since it was published a little less than a week ago..

We have contacted the hosting company, 1and1, and of course they say that there are no problems with the server.

Quote:

“Unfortunately we do not offer support for scripting issues. High traffic blogs do not present a problem on our servers inherently. Any such issues would typically relate to something within the blog itself, not just the traffic.”

Please… anyone with any knowledge about this problem?