Argument '1' passed to addMessage() is expected to be of type Drupal\Component\Render\MarkupInterface|string, array<string> givenPHP(PHP0406)
\Drupal::messenger()->addMessage([
'#markup' => "<p>Unable to generate a pdf file($result)</p>"
. '<pre>'
. file_get_contents($errfile)
. '</pre>',
], 'error');
How do I get devsense to recognize complex Drupal stuff this?