DB Error: MySQL server has gone away

Stack Trace:

File: /home/anais/public_html/lib/pkp/classes/db/DAO.inc.php line 581
Function: DAO->retrieve("SELECT * FROM author_settings WHERE author_id = ?", Array(1))

File: /home/anais/public_html/lib/pkp/classes/submission/PKPAuthorDAO.inc.php line 140
Function: DAO->getDataObjectSettings("author_settings", "author_id", "2658", Object(Author))

File: /home/anais/public_html/lib/pkp/classes/submission/PKPAuthorDAO.inc.php line 78
Function: PKPAuthorDAO->_fromRow(Array(14))

File: /home/anais/public_html/lib/pkp/classes/submission/Submission.inc.php line 342
Function: PKPAuthorDAO->getBySubmissionId("1162")

File: /home/anais/public_html/cache/t_compile/a630f8ab5135e5e4b46d9473907f4b981882e762^%%17^178^1786CABF%%article_details.tpl.php line 116
Function: Submission->getAuthors()

File: /home/anais/public_html/lib/pkp/lib/vendor/smarty/smarty/libs/Smarty.class.php line 1870
Function: include("/home/anais/public_html/cache/t_compile/a630f8ab5135e5e4b46d9473...")

File: /home/anais/public_html/lib/pkp/classes/template/PKPTemplateManager.inc.php line 406
Function: Smarty->_smarty_include(Array(2))

File: /home/anais/public_html/cache/t_compile/5344c657d475ac490e5be9e38a89fff34c6138fd^%%2D^2D7^2D7EC92F%%article.tpl.php line 27
Function: PKPTemplateManager->_smarty_include(Array(2))

File: /home/anais/public_html/lib/pkp/lib/vendor/smarty/smarty/libs/Smarty.class.php line 1257
Function: include("/home/anais/public_html/cache/t_compile/5344c657d475ac490e5be9e3...")

File: /home/anais/public_html/lib/pkp/classes/template/PKPTemplateManager.inc.php line 797
Function: Smarty->fetch("frontend/pages/article.tpl", Null, "5344c657d475ac490e5be9e38a89fff34c6138fd", True)

File: /home/anais/public_html/lib/pkp/lib/vendor/smarty/smarty/libs/Smarty.class.php line 1107
Function: PKPTemplateManager->fetch("frontend/pages/article.tpl", Null, Null, True)

File: /home/anais/public_html/lib/pkp/classes/template/PKPTemplateManager.inc.php line 872
Function: Smarty->display("frontend/pages/article.tpl", Null, Null)

File: /home/anais/public_html/pages/article/ArticleHandler.inc.php line 197
Function: PKPTemplateManager->display("frontend/pages/article.tpl")

File: (unknown) line (unknown)
Function: ArticleHandler->view(Array(1), Object(Request))

File: /home/anais/public_html/lib/pkp/classes/core/PKPRouter.inc.php line 390
Function: call_user_func(Array(2), Array(1), Object(Request))

File: /home/anais/public_html/lib/pkp/classes/core/PKPPageRouter.inc.php line 232
Function: PKPRouter->_authorizeInitializeAndCallRequest(Array(2), Object(Request), Array(1), False)

File: /home/anais/public_html/lib/pkp/classes/core/Dispatcher.inc.php line 134
Function: PKPPageRouter->route(Object(Request))

File: /home/anais/public_html/lib/pkp/classes/core/PKPApplication.inc.php line 247
Function: Dispatcher->dispatch(Object(Request))

File: /home/anais/public_html/index.php line 68
Function: PKPApplication->execute()

DB Error: MySQL server has gone away

Stack Trace:

File: /home/anais/public_html/lib/pkp/classes/session/SessionDAO.inc.php line 111
Function: DAO->update("UPDATE sessions SET user_id = ?, ip_address = ?, ...", Array(9))

File: /home/anais/public_html/lib/pkp/classes/session/SessionManager.inc.php line 185
Function: SessionDAO->updateObject(Object(Session))

File: (unknown) line (unknown)
Function: SessionManager->write("9vuhrh5pc9pgjl5ko3cardp0j0", "")

File: (unknown) line (unknown)
Function: session_write_close()