What do I do to resolve this Fatal Error: Allowed memory size

Hello
Thank you for your post and sorry for a technical issue.
In fact, such kind of the problem usually refers to the server, but as you receive the error while adding the post then it can refer to the plugin’s functionality too. We have faced such a problem few times, but for each case, the solution was a specific one, as the problem occurs from the conflict between our plugin and the theme you are using or another plugin. As different people are using different themes and plugins we aren’t able to give the general solution for the Fatal Error issue and would like you to contact us via this page: https://huge-it.com/contact-us/
We will wait for your message and will try to find a solution especially for your case, taking into account the theme and the plugins you are using.
Thank you!