How to edit the php.ini file to fix the white screen error

1. step 1: Log into your cPanel interface.
2. step 2: Once in the cPanel, click on the File Manager icon located in the Files category.
3. step 3: Once in the File Manager navigate to the folder where PrestaShop is installed. This is normally the public_html folder.
4. step 4: Locate and then open the php.ini file for editing.
5. step 5: Scroll or search through the file and locate the memory_limit setting. It is normally set to 32M, which means 32 MB. Change the setting to something larger, say 128M.