PHP Fatal error: A function with return type must return a value

[asgraf]

This is a (multiple allowed):

• bug

• enhancement

• question

• CakePHP Version: 4.3.5

What you did

I'm in progress of migrating CakePHP 3.x app into CakePHP 4.x
I have updated composer.json with:

"holt59/cakephp4-bootstrap-helpers": "^3.0",

What happened

PHP error message:

Fatal error: A function with return type must return a value (did you mean "return null;" instead of "return;"?) in ./vendor/holt59/cakephp4-bootstrap-helpers/src/View/Helper/FlashHelper.php on line 37

What you expected to happen

No errors :)