Hi, I am upgrade OJS from 2.4.8.1 to OJS 3.0. I follow this instruction https://github.com/pkp/ojs/blob/master/docs/UPGRADE. My PHP version is 5.6.24. I get this error.
# php upgrade.php upgrade
PHP Notice: Use of undefined constant BLOCK_CONTEXT_RIGHT_SIDEBAR - assumed 'BLOCK_CONTEXT_RIGHT_SIDEBAR' in D:\xamppphp56\htdocs\ejournal\plugins\blocks\donation\DonationBlockPlugin.inc.php on line 42
Notice: Use of undefined constant BLOCK_CONTEXT_RIGHT_SIDEBAR - assumed 'BLOCK_CONTEXT_RIGHT_SIDEBAR' in D:\xamppphp56\htdocs\ejournal\plugins\blocks\donation\DonationBlockPlugin.inc.php on line 42
PHP Notice: Use of undefined constant BLOCK_CONTEXT_RIGHT_SIDEBAR - assumed 'BLOCK_CONTEXT_RIGHT_SIDEBAR' in D:\xamppphp56\htdocs\ejournal\plugins\blocks\help\HelpBlockPlugin.inc.php on line 50
Notice: Use of undefined constant BLOCK_CONTEXT_RIGHT_SIDEBAR - assumed 'BLOCK_CONTEXT_RIGHT_SIDEBAR' in D:\xamppphp56\htdocs\ejournal\plugins\blocks\help\HelpBlockPlugin.inc.php on line 50
PHP Notice: Use of undefined constant BLOCK_CONTEXT_RIGHT_SIDEBAR - assumed 'BLOCK_CONTEXT_RIGHT_SIDEBAR' in D:\xamppphp56\htdocs\ejournal\plugins\blocks\fontSize\FontSizeBlockPlugin.inc.php on line 52
Notice: Use of undefined constant BLOCK_CONTEXT_RIGHT_SIDEBAR - assumed 'BLOCK_CONTEXT_RIGHT_SIDEBAR' in D:\xamppphp56\htdocs\ejournal\plugins\blocks\fontSize\FontSizeBlockPlugin.inc.php on line 52
PHP Notice: Constant PLUGIN_FILTER_DATAFILE already defined in D:\xamppphp56\htdocs\ejournal\lib\pkp\classes\plugins\PKPPlugin.inc.php on line 46
Notice: Constant PLUGIN_FILTER_DATAFILE already defined in D:\xamppphp56\htdocs\ejournal\lib\pkp\classes\plugins\PKPPlugin.inc.php on line 46
PHP Fatal error: Cannot redeclare class Plugin in D:\xamppphp56\htdocs\ejournal\classes\plugins\Plugin.inc.php on line 19
Fatal error: Cannot redeclare class Plugin in D:\xamppphp56\htdocs\ejournal\classes\plugins\Plugin.inc.php on line 19
Anyone have solutions? thank you