[Plugin: Advertising Manager] Can't Edit Ads – Always times out

I run lots of sites under a single WordPress Multisite install using Advertising Manager. For the most part it works great, but on some of my larger ads I am not able to edit the names of the ads because it always times out when I click “Save” after trying to edit the name of the ad.

This happens only on my larger sites which have hundreds of categories and thousands of tags. I’m pretty sure that is the problem because the Edit page pulls up all the Categories and Tags for targeting.

So what happens is when I launch a new site, I name the Ads, but then after a while, when the site gets bigger, basically, I can no longer edit the names of the ads.

I actually tried going into the database for one of my sites and just editing the name in there, and it blew away all of my ads for that site. I have actually tried this over and over again, and everytime you go into the database to try and update the name of an ad by hand, it blows away all the ads, and you have to start all over again. So now, I actually can’t use Advertising Manager at all for that site, because its too big for me to edit any of the names at all.

I have already adjusted my wp-config.php file to include:

define(‘WP_MEMORY_LIMIT’, ‘1000M’);
set_time_limit(0);

which for the most part eliminates the time outs, but for some reason on these large sites, the update still does not happen.

Does anyone have any ideas on how to address this?