Are you stuck with exhausted PHP memory? It can happen at any time as it’s one of the most common WordPress errors. You can resolve the issue simply by increasing the memory limit.
To do so, you have to go to wp-config.php file and simply add the following code.
Here, you can use a number as you need in place of 138.
This is how you can simply fix the issue. Hopefully, this pro-tip was helpful. Find more Pro-tips here.