No such file or directory (2)

Warning: session_start(): open(/var/cpanel/php/sessions/ea-php71/sess_195522d424964a6674ac03e5ef9815cf, O_RDWR) failed: No such file or directory (2) in /home/public_html/wp-content/plugins/custom-sidebars/inc/external/wpmu-lib/inc/class-thelib.php on line 145

Warning: session_start(): Failed to read session data: files (path: /var/cpanel/php/sessions/ea-php71) in /home/public_html/wp-content/plugins/custom-sidebars/inc/external/wpmu-lib/inc/class-thelib.php on line 145

Warning: Cannot modify header information – headers already sent by (output started at /home/public_html/wp-content/plugins/custom-sidebars/inc/external/wpmu-lib/inc/class-thelib.php:145) in /home/public_html/wp-admin/includes/misc.php on line 1380

Warning: Cannot modify header information – headers already sent by (output started at /home/public_html/wp-content/plugins/custom-sidebars/inc/external/wpmu-lib/inc/class-thelib.php:145) in /home/public_html/wp-includes/functions.php on line 6878

Warning: Cannot modify header information – headers already sent by (output started at /home/public_html/wp-content/plugins/custom-sidebars/inc/external/wpmu-lib/inc/class-thelib.php:145) in /home/public_html/wp-includes/pluggable.php on line 1421

Warning: Cannot modify header information – headers already sent by (output started at /home/public_html/wp-content/plugins/custom-sidebars/inc/external/wpmu-lib/inc/class-thelib.php:145) in /home/public_html/wp-includes/pluggable.php on line 1424

Was getting this at the top of every page in admin console (nothing on frontend of site). To get around this temporarily, I effectively zeroed out the function in question in class-thelib.php.

	static private function _sess_init() {

		return true;
	}

Thanks!