WP_ALLOW_MULTISITE is a feature enable multisite functionality. If this setting is absent from wp-config.php it defaults to false.
define( 'WP_ALLOW_MULTISITE', true );
Copy & paste the code into the wp-config.php file
define( 'WP_MEMORY_LIMIT', '128M' );
Please go to Dashboard > Appearance > Customize > Shop Settings > Banner > Add New Row
Click edit with Elementor and change the header type from the settings as in the image.
Please go to Dashboard > Appearance > Customize > Shop Settings > My Account > Login Tab
First Solution
If the Jetpack plugin is installed, follow the first step.
Please disable the site accelerator option from Dashboard > Jetpack > Settings > Enable site accelerator
Second Solution
Please go to Dashboard > Appearance > Customize > Shop Settings > General and remove the width and height.