Mailjet errors

errors.php

    	$internalErrors = array(  
    			'MJ01' => 'Could not determine APIKey', 								// SERRCouldNotDetermineAPIKey
    			'MJ02' => 'No persister object found for class: "%s"', 					// SErrNoPersister
    			'MJ03' => 'A non-empty value is required', 								// SErrValueRequired
    			'MJ04' => 'Value must have at least length %d',							// SErrMinLength
    			'MJ05' => 'Value may have at most length %d',							// SErrMaxLength
    			'MJ06' => 'Value must be larger than or equal to %s',					// SErrMinValue
    			'MJ07' => 'Value must be less than or equal to %s',						// SErrMaxValue
    			'MJ08' => 'Property %s is invalid: %s', 								// SErrInProperty
    			'MJ09' => 'Value is not in list of allowed values: (%s)',				// SErrValueNotInList
    			'MJ10' => 'Value must be positive',										// SErrPositiveValueRequired
    			'MJ11' => 'Unknown object type "%s".',									// SErrUnknownObject
    			'MJ12' => 'Cannot save object of type %s',								// SerrCannotSaveObjectType
    			'MJ13' => 'Invalid characters in MD5 hash: "%s"',						// SErrInvalidHashCharacters
    			'MJ14' => 'Invalid length for MD5 hash: %d',							// SErrInvalidHashLength
    			'MJ15' => 'Unknown relation name : "%s"',								// SErrUnkownRelation
    			'MJ16' => 'Class "%s" does not support a unique key.',					// SErrNoAlternateKey
    			'MJ17' => '(%s) Cannot search unique key: unique key value is empty.',	// SErrNoAlternateKeyValue
    			'MJ18' => 'A %s resource with value "%s" for %s already exists.',		// SErrDuplicateKey
    			'MJ19' => 'Setting a value for property "%s" is not allowed',			// SErrCannotWriteProperty
    			'MJ20' => 'Setting a value for properties is not allowed',				// SErrCannotWriteProperties   			
    			// ContactMetadata
    			'CM01' => 'Property "%s" already exists',								// sERRCMPropertyAlreadyExists
    			'CM02' => 'Unknown namespace : %s',										// SERRCMUnknownNamespace
    			'CM03' => '"%s" is not a valid integer value for key %s',				// SERRCMNotAValidIntegerValueForKey
    			'CM04' => '"%s" is not a valid bool value for key %s',					// SERRCMNotAValidBoolValueForKey
    			'CM05' => '"%s" is not a valid float value for key %s',					// SERRCMNotAValidFloatValue
    			'CM06' => 'Length of value (%d bytes) exceeds maximum data length (%d bytes) ',	// SERRCMLengthOfValueExceedsMaxDataLength
    			'CM07' => 'Internal error: invalid data type %d',						// SERRCMInternalErrorInvalidDataType
    			'CM08' => '"%s" is not a valid datatype'								// SERRCMNotAValidDataType
    	);