RuntimeException: Failed to start the session because headers have already been sent by "/code/vendor/symfony/http-foundation/Response.php"

Problem/Motivation

I am using advancequeue with commerce_recurring. the module (advancequeue) is occasionally failing queue item. here is the complete error:

RuntimeException: Failed to start the session because headers have already been sent by "/code/vendor/symfony/http-foundation/Response.php" at line 408. in Symfony\Component\HttpFoundation\Session\Storage\NativeSessionStorage->start() (line 132 of /code/vendor/symfony/http-foundation/Session/Storage/NativeSessionStorage.php).
RuntimeException: Failed to start the session because headers have already been sent by "/code/vendor/symfony/http-foundation/Response.php" at line 408. in Symfony\Component\HttpFoundation\Session\Storage\NativeSessionStorage->start() (line 132 of /code/vendor/symfony/http-foundation/Session/Storage/NativeSessionStorage.php).

see the attached screenshot.