the report of PHP error log is very long, here are the last lines :
[Tue Mar 27 00:23:26.045185 2018] [:error] [pid 13616] [client 105.108.130.116:56830] PHP Strict Standards: Declaration of CustomBlockPlugin::getSeq() should be compatible with BlockPlugin::getSeq($contextId = NULL) in /home/mbmscience/domains/mbmscience.com/public_html/plugins/generic/customBlockManager/CustomBlockPlugin.inc.php on line 134, referer: http://www.mbmscience.com/index.php/mbms/management/settings/website
[Tue Mar 27 00:23:26.045206 2018] [:error] [pid 13616] [client 105.108.130.116:56830] PHP Strict Standards: Declaration of CustomBlockPlugin::getBlockContext() should be compatible with BlockPlugin::getBlockContext($contextId = NULL) in /home/mbmscience/domains/mbmscience.com/public_html/plugins/generic/customBlockManager/CustomBlockPlugin.inc.php on line 134, referer: http://www.mbmscience.com/index.php/mbms/management/settings/website
[Tue Mar 27 00:23:26.045213 2018] [:error] [pid 13616] [client 105.108.130.116:56830] PHP Strict Standards: Declaration of CustomBlockPlugin::getEnabled() should be compatible with BlockPlugin::getEnabled($contextId = NULL) in /home/mbmscience/domains/mbmscience.com/public_html/plugins/generic/customBlockManager/CustomBlockPlugin.inc.php on line 134, referer: http://www.mbmscience.com/index.php/mbms/management/settings/website
[Tue Mar 27 00:23:26.045222 2018] [:error] [pid 13616] [client 105.108.130.116:56830] PHP Strict Standards: Declaration of CustomBlockPlugin::getContents() should be compatible with BlockPlugin::getContents($templateMgr, $request = NULL) in /home/mbmscience/domains/mbmscience.com/public_html/plugins/generic/customBlockManager/CustomBlockPlugin.inc.php on line 134, referer: http://www.mbmscience.com/index.php/mbms/management/settings/website
[Tue Mar 27 00:23:27.702437 2018] [:error] [pid 13616] [client 105.108.130.116:56830] PHP Strict Standards: Declaration of SubmissionFileDAO::fromRow() should be compatible with PKPSubmissionFileDAO::fromRow($row, $fileImplementation) in /home/mbmscience/domains/mbmscience.com/public_html/classes/article/SubmissionFileDAO.inc.php on line 23, referer: http://www.mbmscience.com/index.php/mbms/management/settings/website
[Tue Mar 27 00:23:27.705564 2018] [:error] [pid 17692] [client 105.108.130.116:56832] PHP Strict Standards: Declaration of CustomBlockPlugin::getSeq() should be compatible with BlockPlugin::getSeq($contextId = NULL) in /home/mbmscience/domains/mbmscience.com/public_html/plugins/generic/customBlockManager/CustomBlockPlugin.inc.php on line 134, referer: http://www.mbmscience.com/index.php/mbms/management/settings/website
[Tue Mar 27 00:23:27.705587 2018] [:error] [pid 17692] [client 105.108.130.116:56832] PHP Strict Standards: Declaration of CustomBlockPlugin::getBlockContext() should be compatible with BlockPlugin::getBlockContext($contextId = NULL) in /home/mbmscience/domains/mbmscience.com/public_html/plugins/generic/customBlockManager/CustomBlockPlugin.inc.php on line 134, referer: http://www.mbmscience.com/index.php/mbms/management/settings/website
[Tue Mar 27 00:23:27.705595 2018] [:error] [pid 17692] [client 105.108.130.116:56832] PHP Strict Standards: Declaration of CustomBlockPlugin::getEnabled() should be compatible with BlockPlugin::getEnabled($contextId = NULL) in /home/mbmscience/domains/mbmscience.com/public_html/plugins/generic/customBlockManager/CustomBlockPlugin.inc.php on line 134, referer: http://www.mbmscience.com/index.php/mbms/management/settings/website
[Tue Mar 27 00:23:27.705604 2018] [:error] [pid 17692] [client 105.108.130.116:56832] PHP Strict Standards: Declaration of CustomBlockPlugin::getContents() should be compatible with BlockPlugin::getContents($templateMgr, $request = NULL) in /home/mbmscience/domains/mbmscience.com/public_html/plugins/generic/customBlockManager/CustomBlockPlugin.inc.php on line 134, referer: http://www.mbmscience.com/index.php/mbms/management/settings/website
[Tue Mar 27 00:23:59.926922 2018] [:error] [pid 18656] [client 105.108.130.116:56857] PHP Strict Standards: Declaration of CustomBlockPlugin::getSeq() should be compatible with BlockPlugin::getSeq($contextId = NULL) in /home/mbmscience/domains/mbmscience.com/public_html/plugins/generic/customBlockManager/CustomBlockPlugin.inc.php on line 134, referer: Search | Materials and Biomaterials Science
[Tue Mar 27 00:23:59.926968 2018] [:error] [pid 18656] [client 105.108.130.116:56857] PHP Strict Standards: Declaration of CustomBlockPlugin::getBlockContext() should be compatible with BlockPlugin::getBlockContext($contextId = NULL) in /home/mbmscience/domains/mbmscience.com/public_html/plugins/generic/customBlockManager/CustomBlockPlugin.inc.php on line 134, referer: Search | Materials and Biomaterials Science
[Tue Mar 27 00:23:59.926977 2018] [:error] [pid 18656] [client 105.108.130.116:56857] PHP Strict Standards: Declaration of CustomBlockPlugin::getEnabled() should be compatible with BlockPlugin::getEnabled($contextId = NULL) in /home/mbmscience/domains/mbmscience.com/public_html/plugins/generic/customBlockManager/CustomBlockPlugin.inc.php on line 134, referer: Search | Materials and Biomaterials Science
[Tue Mar 27 00:23:59.926985 2018] [:error] [pid 18656] [client 105.108.130.116:56857] PHP Strict Standards: Declaration of CustomBlockPlugin::getContents() should be compatible with BlockPlugin::getContents($templateMgr, $request = NULL) in /home/mbmscience/domains/mbmscience.com/public_html/plugins/generic/customBlockManager/CustomBlockPlugin.inc.php on line 134, referer: Search | Materials and Biomaterials Science
[Tue Mar 27 00:24:01.558067 2018] [:error] [pid 18656] [client 105.108.130.116:56857] PHP Strict Standards: Declaration of CustomBlockPlugin::getSeq() should be compatible with BlockPlugin::getSeq($contextId = NULL) in /home/mbmscience/domains/mbmscience.com/public_html/plugins/generic/customBlockManager/CustomBlockPlugin.inc.php on line 134, referer: Search | Materials and Biomaterials Science
[Tue Mar 27 00:24:01.558104 2018] [:error] [pid 18656] [client 105.108.130.116:56857] PHP Strict Standards: Declaration of CustomBlockPlugin::getBlockContext() should be compatible with BlockPlugin::getBlockContext($contextId = NULL) in /home/mbmscience/domains/mbmscience.com/public_html/plugins/generic/customBlockManager/CustomBlockPlugin.inc.php on line 134, referer: Search | Materials and Biomaterials Science
[Tue Mar 27 00:24:01.558113 2018] [:error] [pid 18656] [client 105.108.130.116:56857] PHP Strict Standards: Declaration of CustomBlockPlugin::getEnabled() should be compatible with BlockPlugin::getEnabled($contextId = NULL) in /home/mbmscience/domains/mbmscience.com/public_html/plugins/generic/customBlockManager/CustomBlockPlugin.inc.php on line 134, referer: Search | Materials and Biomaterials Science
[Tue Mar 27 00:24:01.558122 2018] [:error] [pid 18656] [client 105.108.130.116:56857] PHP Strict Standards: Declaration of CustomBlockPlugin::getContents() should be compatible with BlockPlugin::getContents($templateMgr, $request = NULL) in /home/mbmscience/domains/mbmscience.com/public_html/plugins/generic/customBlockManager/CustomBlockPlugin.inc.php on line 134, referer: Search | Materials and Biomaterials Science
[Tue Mar 27 00:24:01.615287 2018] [:error] [pid 18656] [client 105.108.130.116:56857] PHP Strict Standards: Declaration of SubmissionFileDAO::fromRow() should be compatible with PKPSubmissionFileDAO::fromRow($row, $fileImplementation) in /home/mbmscience/domains/mbmscience.com/public_html/classes/article/SubmissionFileDAO.inc.php on line 23, referer: Search | Materials and Biomaterials Science
[Tue Mar 27 00:24:01.617157 2018] [:error] [pid 18656] [client 105.108.130.116:56857] PHP Strict Standards: Non-static method Config::getContextBaseUrls() should not be called statically, assuming $this from incompatible context in /home/mbmscience/domains/mbmscience.com/public_html/lib/pkp/plugins/generic/usageEvent/PKPUsageEventPlugin.inc.php on line 199, referer: Search | Materials and Biomaterials Science
[Tue Mar 27 00:25:08.643956 2018] [:error] [pid 21845] [client 105.108.130.116:56905] PHP Strict Standards: Declaration of CustomBlockPlugin::getSeq() should be compatible with BlockPlugin::getSeq($contextId = NULL) in /home/mbmscience/domains/mbmscience.com/public_html/plugins/generic/customBlockManager/CustomBlockPlugin.inc.php on line 134, referer: http://www.mbmscience.com/index.php/mbms/management/settings/website
[Tue Mar 27 00:25:08.643985 2018] [:error] [pid 21845] [client 105.108.130.116:56905] PHP Strict Standards: Declaration of CustomBlockPlugin::getBlockContext() should be compatible with BlockPlugin::getBlockContext($contextId = NULL) in /home/mbmscience/domains/mbmscience.com/public_html/plugins/generic/customBlockManager/CustomBlockPlugin.inc.php on line 134, referer: http://www.mbmscience.com/index.php/mbms/management/settings/website
[Tue Mar 27 00:25:08.643993 2018] [:error] [pid 21845] [client 105.108.130.116:56905] PHP Strict Standards: Declaration of CustomBlockPlugin::getEnabled() should be compatible with BlockPlugin::getEnabled($contextId = NULL) in /home/mbmscience/domains/mbmscience.com/public_html/plugins/generic/customBlockManager/CustomBlockPlugin.inc.php on line 134, referer: http://www.mbmscience.com/index.php/mbms/management/settings/website
[Tue Mar 27 00:25:08.644002 2018] [:error] [pid 21845] [client 105.108.130.116:56905] PHP Strict Standards: Declaration of CustomBlockPlugin::getContents() should be compatible with BlockPlugin::getContents($templateMgr, $request = NULL) in /home/mbmscience/domains/mbmscience.com/public_html/plugins/generic/customBlockManager/CustomBlockPlugin.inc.php on line 134, referer: http://www.mbmscience.com/index.php/mbms/management/settings/website
[Tue Mar 27 00:25:15.481094 2018] [:error] [pid 21845] [client 105.108.130.116:56905] PHP Warning: file_exists(): open_basedir restriction in effect. File(/bin/tar) is not within the allowed path(s): (/home/mbmscience/:/tmp:/var/tmp:/usr/local/lib/php/:/usr/local/php55/lib/php/) in /home/mbmscience/domains/mbmscience.com/public_html/lib/pkp/classes/plugins/PluginHelper.inc.php on line 63, referer: http://www.mbmscience.com/index.php/mbms/management/settings/website
[Tue Mar 27 00:25:15.609324 2018] [:error] [pid 21845] [client 105.108.130.116:56905] PHP Strict Standards: Non-static method VersionCheck::getValidPluginVersionInfo() should not be called statically, assuming $this from incompatible context in /home/mbmscience/domains/mbmscience.com/public_html/lib/pkp/classes/plugins/PluginHelper.inc.php on line 103, referer: http://www.mbmscience.com/index.php/mbms/management/settings/website
[Tue Mar 27 00:25:15.609404 2018] [:error] [pid 21845] [client 105.108.130.116:56905] PHP Fatal error: Call to a member function getProductType() on a non-object in /home/mbmscience/domains/mbmscience.com/public_html/lib/pkp/classes/plugins/PluginHelper.inc.php on line 107, referer: http://www.mbmscience.com/index.php/mbms/management/settings/website
[Tue Mar 27 00:26:13.430878 2018] [:error] [pid 27930] [client 105.108.130.116:56933] PHP Warning: file_exists(): open_basedir restriction in effect. File(/bin/tar) is not within the allowed path(s): (/home/mbmscience/:/tmp:/var/tmp:/usr/local/lib/php/:/usr/local/php55/lib/php/) in /home/mbmscience/domains/mbmscience.com/public_html/lib/pkp/classes/plugins/PluginHelper.inc.php on line 63, referer: http://www.mbmscience.com/index.php/mbms/management/settings/website
[Tue Mar 27 00:26:13.600681 2018] [:error] [pid 27930] [client 105.108.130.116:56933] PHP Strict Standards: Non-static method VersionCheck::getValidPluginVersionInfo() should not be called statically, assuming $this from incompatible context in /home/mbmscience/domains/mbmscience.com/public_html/lib/pkp/classes/plugins/PluginHelper.inc.php on line 103, referer: http://www.mbmscience.com/index.php/mbms/management/settings/website
[Tue Mar 27 00:26:13.600738 2018] [:error] [pid 27930] [client 105.108.130.116:56933] PHP Fatal error: Call to a member function getProductType() on a non-object in /home/mbmscience/domains/mbmscience.com/public_html/lib/pkp/classes/plugins/PluginHelper.inc.php on line 107, referer: http://www.mbmscience.com/index.php/mbms/management/settings/website
[Tue Mar 27 00:27:44.974634 2018] [:error] [pid 2112] [client 105.108.130.116:56967] PHP Strict Standards: Declaration of CustomBlockPlugin::getSeq() should be compatible with BlockPlugin::getSeq($contextId = NULL) in /home/mbmscience/domains/mbmscience.com/public_html/plugins/generic/customBlockManager/CustomBlockPlugin.inc.php on line 134, referer: http://www.mbmscience.com/index.php/mbms/management/settings/website
[Tue Mar 27 00:27:44.974666 2018] [:error] [pid 2112] [client 105.108.130.116:56967] PHP Strict Standards: Declaration of CustomBlockPlugin::getBlockContext() should be compatible with BlockPlugin::getBlockContext($contextId = NULL) in /home/mbmscience/domains/mbmscience.com/public_html/plugins/generic/customBlockManager/CustomBlockPlugin.inc.php on line 134, referer: http://www.mbmscience.com/index.php/mbms/management/settings/website
[Tue Mar 27 00:27:44.974675 2018] [:error] [pid 2112] [client 105.108.130.116:56967] PHP Strict Standards: Declaration of CustomBlockPlugin::getEnabled() should be compatible with BlockPlugin::getEnabled($contextId = NULL) in /home/mbmscience/domains/mbmscience.com/public_html/plugins/generic/customBlockManager/CustomBlockPlugin.inc.php on line 134, referer: http://www.mbmscience.com/index.php/mbms/management/settings/website
[Tue Mar 27 00:27:44.974683 2018] [:error] [pid 2112] [client 105.108.130.116:56967] PHP Strict Standards: Declaration of CustomBlockPlugin::getContents() should be compatible with BlockPlugin::getContents($templateMgr, $request = NULL) in /home/mbmscience/domains/mbmscience.com/public_html/plugins/generic/customBlockManager/CustomBlockPlugin.inc.php on line 134, referer: http://www.mbmscience.com/index.php/mbms/management/settings/website
[Tue Mar 27 00:28:15.813273 2018] [:error] [pid 5165] [client 105.108.130.116:56986] PHP Strict Standards: Declaration of CustomBlockPlugin::getSeq() should be compatible with BlockPlugin::getSeq($contextId = NULL) in /home/mbmscience/domains/mbmscience.com/public_html/plugins/generic/customBlockManager/CustomBlockPlugin.inc.php on line 134, referer: http://www.mbmscience.com/index.php/mbms/issue/view/1
[Tue Mar 27 00:28:15.813305 2018] [:error] [pid 5165] [client 105.108.130.116:56986] PHP Strict Standards: Declaration of CustomBlockPlugin::getBlockContext() should be compatible with BlockPlugin::getBlockContext($contextId = NULL) in /home/mbmscience/domains/mbmscience.com/public_html/plugins/generic/customBlockManager/CustomBlockPlugin.inc.php on line 134, referer: http://www.mbmscience.com/index.php/mbms/issue/view/1
[Tue Mar 27 00:28:15.813313 2018] [:error] [pid 5165] [client 105.108.130.116:56986] PHP Strict Standards: Declaration of CustomBlockPlugin::getEnabled() should be compatible with BlockPlugin::getEnabled($contextId = NULL) in /home/mbmscience/domains/mbmscience.com/public_html/plugins/generic/customBlockManager/CustomBlockPlugin.inc.php on line 134, referer: http://www.mbmscience.com/index.php/mbms/issue/view/1
[Tue Mar 27 00:28:15.813322 2018] [:error] [pid 5165] [client 105.108.130.116:56986] PHP Strict Standards: Declaration of CustomBlockPlugin::getContents() should be compatible with BlockPlugin::getContents($templateMgr, $request = NULL) in /home/mbmscience/domains/mbmscience.com/public_html/plugins/generic/customBlockManager/CustomBlockPlugin.inc.php on line 134, referer: http://www.mbmscience.com/index.php/mbms/issue/view/1
[Tue Mar 27 00:28:18.302321 2018] [:error] [pid 3463] [client 105.108.130.116:56988] PHP Strict Standards: Declaration of CustomBlockPlugin::getSeq() should be compatible with BlockPlugin::getSeq($contextId = NULL) in /home/mbmscience/domains/mbmscience.com/public_html/plugins/generic/customBlockManager/CustomBlockPlugin.inc.php on line 134, referer: Submissions | Materials and Biomaterials Science
[Tue Mar 27 00:28:18.302355 2018] [:error] [pid 3463] [client 105.108.130.116:56988] PHP Strict Standards: Declaration of CustomBlockPlugin::getBlockContext() should be compatible with BlockPlugin::getBlockContext($contextId = NULL) in /home/mbmscience/domains/mbmscience.com/public_html/plugins/generic/customBlockManager/CustomBlockPlugin.inc.php on line 134, referer: Submissions | Materials and Biomaterials Science
[Tue Mar 27 00:28:18.302364 2018] [:error] [pid 3463] [client 105.108.130.116:56988] PHP Strict Standards: Declaration of CustomBlockPlugin::getEnabled() should be compatible with BlockPlugin::getEnabled($contextId = NULL) in /home/mbmscience/domains/mbmscience.com/public_html/plugins/generic/customBlockManager/CustomBlockPlugin.inc.php on line 134, referer: Submissions | Materials and Biomaterials Science
[Tue Mar 27 00:28:18.302372 2018] [:error] [pid 3463] [client 105.108.130.116:56988] PHP Strict Standards: Declaration of CustomBlockPlugin::getContents() should be compatible with BlockPlugin::getContents($templateMgr, $request = NULL) in /home/mbmscience/domains/mbmscience.com/public_html/plugins/generic/customBlockManager/CustomBlockPlugin.inc.php on line 134, referer: Submissions | Materials and Biomaterials Science