ocs2 has produced an error
  Message: USER ERROR: Smarty error: unable to write to $compile_dir '/home/soej/ocs/cache/t_compile'. Be sure $compile_dir is writable by the web server user.
  In file: /home/soej/ocs/lib/pkp/lib/smarty/Smarty.class.php
  At line: 1093
  Stacktrace: 
   File: (unknown) line (unknown)
     Function: PKPApplication->errorHandler(256, "Smarty error: unable to write to $compile_dir '/home/soej/ocs/ca...", "/home/soej/ocs/lib/pkp/lib/smarty/Smarty.class.php", 1093, Array(2))
   File: /home/soej/ocs/lib/pkp/lib/smarty/Smarty.class.php line 1093
     Function: trigger_error("Smarty error: unable to write to $compile_dir '/home/soej/ocs/ca...", 256)
   File: /home/soej/ocs/lib/pkp/lib/smarty/internals/core.write_compiled_resource.php line 23
     Function: Smarty->trigger_error("unable to write to $compile_dir '/home/soej/ocs/cache/t_compile'...", 256)
   File: /home/soej/ocs/lib/pkp/lib/smarty/Smarty.class.php line 1431
     Function: smarty_core_write_compiled_resource(Array(2), Object(TemplateManager))
   File: /home/soej/ocs/lib/pkp/lib/smarty/Smarty.class.php line 1254
     Function: Smarty->_compile_resource("paper/pdfInterstitial.tpl", "/home/soej/ocs/cache/t_compile/%%CB^CB1^CB131836%%pdfInterstitia...")
   File: /home/soej/ocs/lib/pkp/lib/smarty/Smarty.class.php line 1106
     Function: Smarty->fetch("paper/pdfInterstitial.tpl", Null, Null, True)
   File: /home/soej/ocs/lib/pkp/classes/template/PKPTemplateManager.inc.php line 253
     Function: Smarty->display("paper/pdfInterstitial.tpl")
   File: /home/soej/ocs/pages/paper/PaperHandler.inc.php line 107
     Function: PKPTemplateManager->display("paper/pdfInterstitial.tpl")
   File: /home/soej/ocs/pages/paper/PaperHandler.inc.php line 64
     Function: PaperHandler->viewPDFInterstitial(Array(2), Object(Request), Object(PaperGalley))
   File: /home/soej/ocs/lib/pkp/classes/core/PKPPageRouter.inc.php line 177
     Function: PaperHandler->view(Array(2), Object(Request))
   File: /home/soej/ocs/lib/pkp/classes/core/Dispatcher.inc.php line 130
     Function: PKPPageRouter->route(Object(Request))
   File: /home/soej/ocs/lib/pkp/classes/core/PKPApplication.inc.php line 170
     Function: Dispatcher->dispatch(Object(Request))
   File: /home/soej/ocs/index.php line 68
     Function: PKPApplication->execute()
  Server info:
   OS: Linux
   PHP Version: 5.6.40
   Apache Version: N/A
   DB Driver: postgres
   DB server version: PostgreSQL 9.6.24 on x86_64-pc-linux-gnu, compiled by gcc (GCC) 5.3.0, 64-bit<br/>
ocs2 has produced an error
  Message: WARNING: include(/home/soej/ocs/cache/t_compile/%%CB^CB1^CB131836%%pdfInterstitial.tpl.php): failed to open stream: No existe el fichero o el directorio
  In file: /home/soej/ocs/lib/pkp/lib/smarty/Smarty.class.php
  At line: 1256
  Stacktrace: 
   File: /home/soej/ocs/lib/pkp/lib/smarty/Smarty.class.php line 1256
     Function: PKPApplication->errorHandler(2, "include(/home/soej/ocs/cache/t_compile/%%CB^CB1^CB131836%%pdfInt...", "/home/soej/ocs/lib/pkp/lib/smarty/Smarty.class.php", 1256, Array(9))
   File: /home/soej/ocs/lib/pkp/lib/smarty/Smarty.class.php line 1256
     Function: Smarty->fetch()
   File: /home/soej/ocs/lib/pkp/lib/smarty/Smarty.class.php line 1106
     Function: Smarty->fetch("paper/pdfInterstitial.tpl", Null, Null, True)
   File: /home/soej/ocs/lib/pkp/classes/template/PKPTemplateManager.inc.php line 253
     Function: Smarty->display("paper/pdfInterstitial.tpl")
   File: /home/soej/ocs/pages/paper/PaperHandler.inc.php line 107
     Function: PKPTemplateManager->display("paper/pdfInterstitial.tpl")
   File: /home/soej/ocs/pages/paper/PaperHandler.inc.php line 64
     Function: PaperHandler->viewPDFInterstitial(Array(2), Object(Request), Object(PaperGalley))
   File: /home/soej/ocs/lib/pkp/classes/core/PKPPageRouter.inc.php line 177
     Function: PaperHandler->view(Array(2), Object(Request))
   File: /home/soej/ocs/lib/pkp/classes/core/Dispatcher.inc.php line 130
     Function: PKPPageRouter->route(Object(Request))
   File: /home/soej/ocs/lib/pkp/classes/core/PKPApplication.inc.php line 170
     Function: Dispatcher->dispatch(Object(Request))
   File: /home/soej/ocs/index.php line 68
     Function: PKPApplication->execute()
  Server info:
   OS: Linux
   PHP Version: 5.6.40
   Apache Version: N/A
   DB Driver: postgres
   DB server version: PostgreSQL 9.6.24 on x86_64-pc-linux-gnu, compiled by gcc (GCC) 5.3.0, 64-bit<br/>
ocs2 has produced an error
  Message: WARNING: include(): Failed opening '/home/soej/ocs/cache/t_compile/%%CB^CB1^CB131836%%pdfInterstitial.tpl.php' for inclusion (include_path='.:/home/soej/ocs/classes:/home/soej/ocs/pages:/home/soej/ocs/lib/pkp:/home/soej/ocs/lib/pkp/includes:/home/soej/ocs/lib/pkp/classes:/home/soej/ocs/lib/pkp/pages:/home/soej/ocs/lib/pkp/lib/adodb:/home/soej/ocs/lib/pkp/lib/phputf8:/home/soej/ocs/lib/pkp/lib/pqp/classes:/home/soej/ocs/lib/pkp/lib/smarty:.:/opt/php/5.6/lib/php')
  In file: /home/soej/ocs/lib/pkp/lib/smarty/Smarty.class.php
  At line: 1256
  Stacktrace: 
   File: /home/soej/ocs/lib/pkp/lib/smarty/Smarty.class.php line 1256
     Function: PKPApplication->errorHandler(2, "include(): Failed opening '/home/soej/ocs/cache/t_compile/%%CB^C...", "/home/soej/ocs/lib/pkp/lib/smarty/Smarty.class.php", 1256, Array(9))
   File: /home/soej/ocs/lib/pkp/lib/smarty/Smarty.class.php line 1256
     Function: Smarty->fetch()
   File: /home/soej/ocs/lib/pkp/lib/smarty/Smarty.class.php line 1106
     Function: Smarty->fetch("paper/pdfInterstitial.tpl", Null, Null, True)
   File: /home/soej/ocs/lib/pkp/classes/template/PKPTemplateManager.inc.php line 253
     Function: Smarty->display("paper/pdfInterstitial.tpl")
   File: /home/soej/ocs/pages/paper/PaperHandler.inc.php line 107
     Function: PKPTemplateManager->display("paper/pdfInterstitial.tpl")
   File: /home/soej/ocs/pages/paper/PaperHandler.inc.php line 64
     Function: PaperHandler->viewPDFInterstitial(Array(2), Object(Request), Object(PaperGalley))
   File: /home/soej/ocs/lib/pkp/classes/core/PKPPageRouter.inc.php line 177
     Function: PaperHandler->view(Array(2), Object(Request))
   File: /home/soej/ocs/lib/pkp/classes/core/Dispatcher.inc.php line 130
     Function: PKPPageRouter->route(Object(Request))
   File: /home/soej/ocs/lib/pkp/classes/core/PKPApplication.inc.php line 170
     Function: Dispatcher->dispatch(Object(Request))
   File: /home/soej/ocs/index.php line 68
     Function: PKPApplication->execute()
  Server info:
   OS: Linux
   PHP Version: 5.6.40
   Apache Version: N/A
   DB Driver: postgres
   DB server version: PostgreSQL 9.6.24 on x86_64-pc-linux-gnu, compiled by gcc (GCC) 5.3.0, 64-bit<br/>