Deprecated Code Report

php drupal-check.phar modules/contrib/sendinblue/
 18/18 [▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓] 100%

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  Line   sendinblue.module                                  
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  83     Call to deprecated function drupal_set_message().  
  87     Call to deprecated function drupal_set_message().  
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  Line   src/Form/SignupForm.php                            
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  391    Call to deprecated function drupal_set_message().  
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  Line   src/Form/SubscribeForm.php                         
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  232    Call to deprecated function drupal_set_message().  
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 [ERROR] Found 4 errors