DB Error: MySQL server has gone away

Stack Trace:

File: /home/anais/public_html/lib/pkp/classes/controlledVocab/ControlledVocabDAO.inc.php line 175
Function: DAO->retrieve("SELECT * FROM controlled_vocabs WHERE symbolic = ? AND assoc_typ...", Array(3))

File: /home/anais/public_html/lib/pkp/classes/controlledVocab/ControlledVocabDAO.inc.php line 66
Function: ControlledVocabDAO->getBySymbolic("submissionKeyword", 1048585, "513")

File: /home/anais/public_html/lib/pkp/classes/submission/SubmissionKeywordDAO.inc.php line 30
Function: ControlledVocabDAO->_build("submissionKeyword", 1048585, "513")

File: /home/anais/public_html/lib/pkp/classes/submission/SubmissionKeywordDAO.inc.php line 52
Function: SubmissionKeywordDAO->build("513")

File: /home/anais/public_html/pages/article/ArticleHandler.inc.php line 162
Function: SubmissionKeywordDAO->getKeywords("513", Array(1))

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("tuhm4hlgg3jd1dq76vvkmpidn1", "")

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