ocs2 has produced an error
  Message: WARNING: unlink(/var/www/html/ocs236/cache/fc-pluginSettings-19-0-templateCustomBlockPlugin.php): Read-only file system
  In file: /var/www/html/ocs236/lib/pkp/classes/cache/FileCache.inc.php
  At line: 58
  Stacktrace: 
   File: (unknown) line (unknown)
     Function: PKPApplication->errorHandler(2, "unlink(/var/www/html/ocs236/cache/fc-pluginSettings-19-0-templat...", "/var/www/html/ocs236/lib/pkp/classes/cache/FileCache.inc.php", 58, Array(0))
   File: /var/www/html/ocs236/lib/pkp/classes/cache/FileCache.inc.php line 58
     Function: unlink("/var/www/html/ocs236/cache/fc-pluginSettings-19-0-templateCustom...")
   File: /var/www/html/ocs236/lib/pkp/classes/cache/FileCache.inc.php line 79
     Function: FileCache->flush()
   File: /var/www/html/ocs236/classes/plugins/PluginSettingsDAO.inc.php line 113
     Function: FileCache->setCache("enabled", True)
   File: /var/www/html/ocs236/classes/plugins/Plugin.inc.php line 65
     Function: PluginSettingsDAO->updateSetting("19", 0, "templateCustomBlockPlugin", "enabled", True, "bool")
   File: /var/www/html/ocs236/classes/plugins/BlockPlugin.inc.php line 84
     Function: Plugin->updateSetting("19", 0, "enabled", True, "bool")
   File: /var/www/html/ocs236/plugins/generic/customBlockManager/CustomBlockManagerPlugin.inc.php line 68
     Function: BlockPlugin->setEnabled(True)
   File: (unknown) line (unknown)
     Function: CustomBlockManagerPlugin->callbackLoadCategory("PluginRegistry::loadCategory", Array(2))
   File: /var/www/html/ocs236/lib/pkp/classes/plugins/HookRegistry.inc.php line 79
     Function: call_user_func(Array(2), "PluginRegistry::loadCategory", Array(2))
   File: /var/www/html/ocs236/lib/pkp/classes/plugins/PluginRegistry.inc.php line 113
     Function: HookRegistry->call("PluginRegistry::loadCategory", Array(2))
   File: /var/www/html/ocs236/lib/pkp/classes/template/PKPTemplateManager.inc.php line 195
     Function: PluginRegistry->loadCategory("blocks")
   File: /var/www/html/ocs236/lib/pkp/classes/template/PKPTemplateManager.inc.php line 228
     Function: PKPTemplateManager->initialize()
   File: /var/www/html/ocs236/pages/information/InformationHandler.inc.php line 71
     Function: PKPTemplateManager->display("information/information.tpl")
   File: /var/www/html/ocs236/pages/information/InformationHandler.inc.php line 79
     Function: InformationHandler->index(Array(1))
   File: /var/www/html/ocs236/lib/pkp/classes/core/PKPPageRouter.inc.php line 177
     Function: InformationHandler->authors(Array(0), Object(Request))
   File: /var/www/html/ocs236/lib/pkp/classes/core/Dispatcher.inc.php line 130
     Function: PKPPageRouter->route(Object(Request))
   File: /var/www/html/ocs236/lib/pkp/classes/core/PKPApplication.inc.php line 170
     Function: Dispatcher->dispatch(Object(Request))
   File: /var/www/html/ocs236/index.php line 65
     Function: PKPApplication->execute()
  Server info:
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   PHP Version: 5.6.40-90+ubuntu24.04.1+deb.sury.org+1
   Apache Version: Apache/2.4.58 (Ubuntu)
   DB Driver: mysql
   DB server version: 10.6.22-MariaDB-0ubuntu0.22.04.1<br/>
ocs2 has produced an error
  Message: WARNING: unlink(/var/www/html/ocs236/cache/fc-pluginSettings-19-0-customCustomBlockPlugin.php): Read-only file system
  In file: /var/www/html/ocs236/lib/pkp/classes/cache/FileCache.inc.php
  At line: 58
  Stacktrace: 
   File: (unknown) line (unknown)
     Function: PKPApplication->errorHandler(2, "unlink(/var/www/html/ocs236/cache/fc-pluginSettings-19-0-customC...", "/var/www/html/ocs236/lib/pkp/classes/cache/FileCache.inc.php", 58, Array(0))
   File: /var/www/html/ocs236/lib/pkp/classes/cache/FileCache.inc.php line 58
     Function: unlink("/var/www/html/ocs236/cache/fc-pluginSettings-19-0-customCustomBl...")
   File: /var/www/html/ocs236/lib/pkp/classes/cache/FileCache.inc.php line 79
     Function: FileCache->flush()
   File: /var/www/html/ocs236/classes/plugins/PluginSettingsDAO.inc.php line 113
     Function: FileCache->setCache("enabled", True)
   File: /var/www/html/ocs236/classes/plugins/Plugin.inc.php line 65
     Function: PluginSettingsDAO->updateSetting("19", 0, "customCustomBlockPlugin", "enabled", True, "bool")
   File: /var/www/html/ocs236/classes/plugins/BlockPlugin.inc.php line 84
     Function: Plugin->updateSetting("19", 0, "enabled", True, "bool")
   File: /var/www/html/ocs236/plugins/generic/customBlockManager/CustomBlockManagerPlugin.inc.php line 68
     Function: BlockPlugin->setEnabled(True)
   File: (unknown) line (unknown)
     Function: CustomBlockManagerPlugin->callbackLoadCategory("PluginRegistry::loadCategory", Array(2))
   File: /var/www/html/ocs236/lib/pkp/classes/plugins/HookRegistry.inc.php line 79
     Function: call_user_func(Array(2), "PluginRegistry::loadCategory", Array(2))
   File: /var/www/html/ocs236/lib/pkp/classes/plugins/PluginRegistry.inc.php line 113
     Function: HookRegistry->call("PluginRegistry::loadCategory", Array(2))
   File: /var/www/html/ocs236/lib/pkp/classes/template/PKPTemplateManager.inc.php line 195
     Function: PluginRegistry->loadCategory("blocks")
   File: /var/www/html/ocs236/lib/pkp/classes/template/PKPTemplateManager.inc.php line 228
     Function: PKPTemplateManager->initialize()
   File: /var/www/html/ocs236/pages/information/InformationHandler.inc.php line 71
     Function: PKPTemplateManager->display("information/information.tpl")
   File: /var/www/html/ocs236/pages/information/InformationHandler.inc.php line 79
     Function: InformationHandler->index(Array(1))
   File: /var/www/html/ocs236/lib/pkp/classes/core/PKPPageRouter.inc.php line 177
     Function: InformationHandler->authors(Array(0), Object(Request))
   File: /var/www/html/ocs236/lib/pkp/classes/core/Dispatcher.inc.php line 130
     Function: PKPPageRouter->route(Object(Request))
   File: /var/www/html/ocs236/lib/pkp/classes/core/PKPApplication.inc.php line 170
     Function: Dispatcher->dispatch(Object(Request))
   File: /var/www/html/ocs236/index.php line 65
     Function: PKPApplication->execute()
  Server info:
   OS: Linux
   PHP Version: 5.6.40-90+ubuntu24.04.1+deb.sury.org+1
   Apache Version: Apache/2.4.58 (Ubuntu)
   DB Driver: mysql
   DB server version: 10.6.22-MariaDB-0ubuntu0.22.04.1<br/>
ocs2 has produced an error
  Message: WARNING: Cannot modify header information - headers already sent by (output started at /var/www/html/ocs236/lib/pkp/classes/core/PKPApplication.inc.php:295)
  In file: /var/www/html/ocs236/lib/pkp/classes/template/PKPTemplateManager.inc.php
  At line: 246
  Stacktrace: 
   File: (unknown) line (unknown)
     Function: PKPApplication->errorHandler(2, "Cannot modify header information - headers already sent by (outp...", "/var/www/html/ocs236/lib/pkp/classes/template/PKPTemplateManager...", 246, Array(6))
   File: /var/www/html/ocs236/lib/pkp/classes/template/PKPTemplateManager.inc.php line 246
     Function: header("Content-Type: text/html; charset=utf-8")
   File: /var/www/html/ocs236/pages/information/InformationHandler.inc.php line 71
     Function: PKPTemplateManager->display("information/information.tpl")
   File: /var/www/html/ocs236/pages/information/InformationHandler.inc.php line 79
     Function: InformationHandler->index(Array(1))
   File: /var/www/html/ocs236/lib/pkp/classes/core/PKPPageRouter.inc.php line 177
     Function: InformationHandler->authors(Array(0), Object(Request))
   File: /var/www/html/ocs236/lib/pkp/classes/core/Dispatcher.inc.php line 130
     Function: PKPPageRouter->route(Object(Request))
   File: /var/www/html/ocs236/lib/pkp/classes/core/PKPApplication.inc.php line 170
     Function: Dispatcher->dispatch(Object(Request))
   File: /var/www/html/ocs236/index.php line 65
     Function: PKPApplication->execute()
  Server info:
   OS: Linux
   PHP Version: 5.6.40-90+ubuntu24.04.1+deb.sury.org+1
   Apache Version: Apache/2.4.58 (Ubuntu)
   DB Driver: mysql
   DB server version: 10.6.22-MariaDB-0ubuntu0.22.04.1<br/>
ocs2 has produced an error
  Message: WARNING: Cannot modify header information - headers already sent by (output started at /var/www/html/ocs236/lib/pkp/classes/core/PKPApplication.inc.php:295)
  In file: /var/www/html/ocs236/lib/pkp/classes/template/PKPTemplateManager.inc.php
  At line: 249
  Stacktrace: 
   File: (unknown) line (unknown)
     Function: PKPApplication->errorHandler(2, "Cannot modify header information - headers already sent by (outp...", "/var/www/html/ocs236/lib/pkp/classes/template/PKPTemplateManager...", 249, Array(6))
   File: /var/www/html/ocs236/lib/pkp/classes/template/PKPTemplateManager.inc.php line 249
     Function: header("Cache-Control: public")
   File: /var/www/html/ocs236/pages/information/InformationHandler.inc.php line 71
     Function: PKPTemplateManager->display("information/information.tpl")
   File: /var/www/html/ocs236/pages/information/InformationHandler.inc.php line 79
     Function: InformationHandler->index(Array(1))
   File: /var/www/html/ocs236/lib/pkp/classes/core/PKPPageRouter.inc.php line 177
     Function: InformationHandler->authors(Array(0), Object(Request))
   File: /var/www/html/ocs236/lib/pkp/classes/core/Dispatcher.inc.php line 130
     Function: PKPPageRouter->route(Object(Request))
   File: /var/www/html/ocs236/lib/pkp/classes/core/PKPApplication.inc.php line 170
     Function: Dispatcher->dispatch(Object(Request))
   File: /var/www/html/ocs236/index.php line 65
     Function: PKPApplication->execute()
  Server info:
   OS: Linux
   PHP Version: 5.6.40-90+ubuntu24.04.1+deb.sury.org+1
   Apache Version: Apache/2.4.58 (Ubuntu)
   DB Driver: mysql
   DB server version: 10.6.22-MariaDB-0ubuntu0.22.04.1<br/>
<?xml version="1.0" encoding="UTF-8"?>
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	<h2>The 4th APTIK International Conference 2025</h2>
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