@@ -46,7 +46,7 @@  | 
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| 46 | 46 | $username = $userProvider->getUsernameForApiKey($apiKey);  | 
                                                        
| 47 | 47 | |
| 48 | 48 |          if (null === $username) { | 
                                                        
| 49 | -            throw new CustomUserMessageAuthenticationException('Unknown API key: ' . $apiKey); | 
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| 49 | +            throw new CustomUserMessageAuthenticationException('Unknown API key: '.$apiKey); | 
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| 50 | 50 | }  | 
                                                        
| 51 | 51 | |
| 52 | 52 | return $userProvider->loadUserByUsername($username);  |