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Question:
Help! We modified a product intro description in VirtueMart and now when we browse to the section (category) page we are getting the following error.

Fatal error: Allowed memory size of 8388608 bytes exhausted (tried to allocate 40 bytes) in /home/webadmin/domain/html/includes/database.php on line 433

Oddly, all the other pages of VM are working fine.

We tried restarting the server, thinking it was a temporary bug, but that didn't work. Please help.

The problem:
Most likely this occurred because PHP allocate 8M of memory by default. Your VM category page description may require more memory than 8M to deliver.

How to answer:
Try adding this line to your Joomla! configuration.php file.

ini_set("memory_limit","12M");

It should be the 1 line and look like this:

<?php
ini_set("memory_limit","12M");
$mosConfig_MetaAuthor = '0';

Did it work? Please leave a comment below.