While uploading theme in Wordpress if you get this error, then please don't get panic. I am here, to give you few steps to resolve this error. If you check this error properly then you will notice that it says about the file size of the theme which has been exceeded. This file size has been defined in "php.ini" file. Create a file, as mentioned below and save it with the file name " info.php " in " wp-admin " folder. Now run the file in a browser (I am running xampp on my localhost, you could have wamp or webhosting server. Contact your hosting service provider for more details). Locate Configuration file path and open " php.ini " file with any text editor (I am using notepad++). Now search the file by pressing Ctrl.+F . It will open search box, type post_max_size and click on Find Next . I set the value to 1000M, you can change the value according to your webpage size limit. Now in the search box, type upload_max_file...