Página de metadados em branco nas submissões

Olá,

estou tentando realizar novas submissões, contudo a página de metadados fica em branco e apresenta os seguintes erros no PHP

PHP Notice: Undefined property: stdClass::$accessStatus in /var/www/html/lib/pkp/classes/db/SchemaDAO.inc.php

PHP Notice: Trying to get property ‘type’ of non-object in /var/www/html/lib/pkp/classes/db/SchemaDAO.inc.php

PHP Fatal error: Uncaught Error: Call to a member function getAbstractsNotRequired() on null in /var/www/html/classes/submission/SubmissionMetadataFormImplementation.inc.php:26\nStack trace:\n#0 /var/www/html/lib/pkp/classes/submission/PKPSubmissionMetadataFormImplementation.inc.php(50): SubmissionMetadataFormImplementation->_getAbstractsRequired(Object(Submission))\n#1 /var/www/html/classes/submission/SubmissionMetadataFormImplementation.inc.php(34): PKPSubmissionMetadataFormImplementation->addChecks(Object(Submission))\n#2 /var/www/html/lib/pkp/classes/submission/form/PKPSubmissionSubmitStep3Form.inc.php(34): SubmissionMetadataFormImplementation->addChecks(Object(Submission))\n#3 /var/www/html/classes/submission/form/SubmissionSubmitStep3Form.inc.php(27): PKPSubmissionSubmitStep3Form->__construct(Object(Journal), Object(Submission), Object(SubmissionMetadataFormImplementation))\n#4 /var/www/html/lib/pkp/pages/submission/PKPSubmissionHandler.inc.php(124): SubmissionSubmitStep3Form->__construct(Object(Journal), Object(Submission))\n in /var/www/html/classes/submission/SubmissionMetadataFormImplementation.inc.php