simplepie / simplepie-ng

src/Enum/ErrorMessage.php

<?php
/**
 * Copyright (c) 2017–2019 Ryan Parman <http://ryanparman.com>.
 * Copyright (c) 2017–2019 Contributors.
 *
 * http://opensource.org/licenses/Apache2.0
 */

declare(strict_types=1);

namespace SimplePie\Enum;

/**
 * Provides a set of known, allowable error messages.
 */
class ErrorMessage extends AbstractEnum

The type SimplePie\Enum\AbstractEnum was not found. Maybe you did not declare it correctly or list all dependencies?

{
    public const LOGGER_NOT_PSR3 = 'The configured logger MUST be compatible with `Psr\Log\LoggerInterface`. '
        . 'Received `%s` instead.';

    public const MIDDLEWARE_NOT_HANDLERSTACK = 'The configured middleware handler stack MUST be compatible with '
        . '`SimplePie\HandlerStackInterface`. Received `%s` instead.';

    public const LIBXML_NOT_INTEGER = 'The configured libxml options MUST be bitwise LIBXML_* constants, which result '
        . 'in an integer value. Received `%s` instead.';
}