I tried to install plugin defaultManuscript and other , but there is some issue, I am getting following error in log file:
[15-Feb-2019 08:40:06 UTC] PHP Strict Standards: Declaration of PKPUsageEventPlugin::getEnabled() should be compatible with LazyLoadPlugin::getEnabled($contextId = NULL) in /lib/pkp/plugins/generic/usageEvent/PKPUsageEventPlugin.inc.php on line 386
[15-Feb-2019 08:40:06 UTC] PHP Strict Standards: Declaration of AddThisPlugin::register() should be compatible with LazyLoadPlugin::register($category, $path, $mainContextId = NULL) in /plugins/generic/addThis/AddThisPlugin.inc.php on line 175
[15-Feb-2019 08:40:06 UTC] PHP Strict Standards: Declaration of OpenAIREDAO::setOAI() should be compatible with PKPOAIDAO::setOAI($oai) in /plugins/generic/openAIRE/OpenAIREDAO.inc.php on line 19
[15-Feb-2019 08:40:06 UTC] PHP Strict Standards: Declaration of CustomBlockPlugin::getBlockContext() should be compatible with BlockPlugin::getBlockContext($contextId = NULL) in /plugins/generic/customBlockManager/CustomBlockPlugin.inc.php on line 134
[15-Feb-2019 08:40:06 UTC] PHP Strict Standards: Declaration of CustomBlockPlugin::getEnabled() should be compatible with BlockPlugin::getEnabled($contextId = NULL) in /plugins/generic/customBlockManager/CustomBlockPlugin.inc.php on line 134
[15-Feb-2019 08:40:12 UTC] PHP Strict Standards: Declaration of PKPUsageEventPlugin::getEnabled() should be compatible with LazyLoadPlugin::getEnabled($contextId = NULL) in /lib/pkp/plugins/generic/usageEvent/PKPUsageEventPlugin.inc.php on line 386
[15-Feb-2019 08:40:12 UTC] PHP Strict Standards: Declaration of AddThisPlugin::register() should be compatible with LazyLoadPlugin::register($category, $path, $mainContextId = NULL) in /plugins/generic/addThis/AddThisPlugin.inc.php on line 175
[15-Feb-2019 08:40:12 UTC] PHP Strict Standards: Declaration of OpenAIREDAO::setOAI() should be compatible with PKPOAIDAO::setOAI($oai) in /plugins/generic/openAIRE/OpenAIREDAO.inc.php on line 19
[15-Feb-2019 08:40:12 UTC] PHP Strict Standards: Declaration of CustomBlockPlugin::getBlockContext() should be compatible with BlockPlugin::getBlockContext($contextId = NULL) in /plugins/generic/customBlockManager/CustomBlockPlugin.inc.php on line 134
[15-Feb-2019 08:40:12 UTC] PHP Strict Standards: Declaration of CustomBlockPlugin::getEnabled() should be compatible with BlockPlugin::getEnabled($contextId = NULL) in /plugins/generic/customBlockManager/CustomBlockPlugin.inc.php on line 134
[15-Feb-2019 08:40:16 UTC] PHP Deprecated: Non-static method VersionCheck::getValidPluginVersionInfo() should not be called statically, assuming $this from incompatible context in /lib/pkp/classes/plugins/PluginHelper.inc.php on line 103
[15-Feb-2019 08:40:16 UTC] PHP Fatal error: Call to a member function getProductType() on string in /lib/pkp/classes/plugins/PluginHelper.inc.php on line 107
Please do the needful