Hi team, I am trying to upgrade from OJS 3.0 to OJS 3.3.0-3 version, but getting below PHP fatal error.
Application Version - OJS 3.3.0-3
PHP version(server): 7.3
Error log:
PHP Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP; Openurl10MetadataPlugin has a deprecated constructor in /plugins/metadata/openurl10/Openurl10MetadataPlugin.inc.php on line 19
PHP Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP; PKPOpenurl10MetadataPlugin has a deprecated constructor in /lib/pkp/plugins/metadata/openurl10/PKPOpenurl10MetadataPlugin.inc.php on line 22
PHP Fatal error: Uncaught Error: Call to undefined method MetadataPlugin::MetadataPlugin() in /lib/pkp/plugins/metadata/openurl10/PKPOpenurl10MetadataPlugin.inc.php:27
Stack trace:
#0 /plugins/metadata/openurl10/Openurl10MetadataPlugin.inc.php(24): PKPOpenurl10MetadataPlugin->PKPOpenurl10MetadataPlugin()
#1 /lib/pkp/includes/functions.inc.php(224): Openurl10MetadataPlugin->Openurl10MetadataPlugin()
#2 /lib/pkp/classes/plugins/PluginRegistry.inc.php(251): instantiate(‘plugins.metadat…’, ‘Openurl10Metada…’, Array, Array)
#3 /lib/pkp/classes/plugins/PluginRegistry.inc.php(126): PluginRegistry::_instantiatePlugin(‘metadata’, ‘plugins/metadat…’, ‘openurl10’)
#4 /lib/pkp/classes/plugins/PluginRegistry.inc.php(211): PluginRegistry::loadCa in /lib/pkp/plugins/metadata/openurl10/PKPOpenurl10MetadataPlugin.inc.php on line 27
How can I fix this error?