[EC-CUBE] 3.0.12-p1から3.0.16へアップデート
[レンタルサーバ] ロリポップ
[OS] Windows10
[PHP] 7.1 CGI
[データベース] ５.６
[ブラウザ] Chrome
[エラー内容]
ECキューブのバージョンアップを下記ページに沿って行っております。

http://doc.ec-cube.net/quickstart_update

上記ページ内の「4. マイグレーション」を行おうとすると、下記のエラーが起こって正しく実行できません。
恐れ入りますがこの問題についてご教示いただけないでしょうか。
よろしくお願いいたします。

3/3
NotNullConstraintViolationException in AbstractMySQLDriver.php line 112:
An exception occurred while executing 'INSERT INTO dtb_page_layout (page_name, url, file_name, edit_flg, author, description, keyword, update_url, create_date, update_date, meta_robots, meta_tags, device_type_id) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)' with params ["\u5546\u54c1\u8cfc\u5165\/\u78ba\u8a8d", "shopping_confirm", "Shopping\/confirm", 2, null, null, null, null, "2018-08-25 11:03:36", "2018-08-25 11:03:36", "noindex", null, 10]:

SQLSTATE[23000]: Integrity constraint violation: 1048 Column 'meta_tags' cannot be null
in AbstractMySQLDriver.php line 112
at AbstractMySQLDriver->convertException('An exception occurred while executing 'INSERT INTO dtb_page_layout (page_name, url, file_name, edit_flg, author, description, keyword, update_url, create_date, update_date, meta_robots, meta_tags, device_type_id) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)' with params ["\u5546\u54c1\u8cfc\u5165\/\u78ba\u8a8d", "shopping_confirm", "Shopping\/confirm", 2, null, null, null, null, "2018-08-25 11:03:36", "2018-08-25 11:03:36", "noindex", null, 10]: SQLSTATE[23000]: Integrity constraint violation: 1048 Column 'meta_tags' cannot be null', object(PDOException)) in DBALException.php line 128
at DBALException::driverExceptionDuringQuery(object(Driver), object(PDOException), 'INSERT INTO dtb_page_layout (page_name, url, file_name, edit_flg, author, description, keyword, update_url, create_date, update_date, meta_robots, meta_tags, device_type_id) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)', array('商品購入/確認', 'shopping_confirm', 'Shopping/confirm', '2', null, null, null, null, '2018-08-25 11:03:36', '2018-08-25 11:03:36', 'noindex', null, '10')) in Statement.php line 177
at Statement->execute() in BasicEntityPersister.php line 279
at BasicEntityPersister->executeInserts() in UnitOfWork.php line 966
at UnitOfWork->executeInserts(object(ClassMetadata)) in UnitOfWork.php line 335
at UnitOfWork->commit(null) in EntityManager.php line 340
at EntityManager->flush() in Version20170225120000.php line 34
at Version20170225120000->up(object(Schema)) in Version.php line 262
at Version->execute('up', false, false) in Migration.php line 158
at Migration->migrate('20170225120000', false) in InstallController.php line 623
at InstallController->doMigrate() in InstallController.php line 932
at InstallController->migration_end(object(InstallApplication), object(Request))
at call_user_func_array(array(object(InstallController), 'migration_end'), array(object(InstallApplication), object(Request))) in HttpKernel.php line 144
at HttpKernel->handleRaw(object(Request), '1') in HttpKernel.php line 64
at HttpKernel->handle(object(Request), '1', true) in Application.php line 586
at Application->handle(object(Request)) in Application.php line 563
at Application->run() in install.php line 40
2/3
PDOException in PDOStatement.php line 93:
SQLSTATE[23000]: Integrity constraint violation: 1048 Column 'meta_tags' cannot be null
in PDOStatement.php line 93
at PDOStatement->execute(null) in Statement.php line 168
at Statement->execute() in BasicEntityPersister.php line 279
at BasicEntityPersister->executeInserts() in UnitOfWork.php line 966
at UnitOfWork->executeInserts(object(ClassMetadata)) in UnitOfWork.php line 335
at UnitOfWork->commit(null) in EntityManager.php line 340
at EntityManager->flush() in Version20170225120000.php line 34
at Version20170225120000->up(object(Schema)) in Version.php line 262
at Version->execute('up', false, false) in Migration.php line 158
at Migration->migrate('20170225120000', false) in InstallController.php line 623
at InstallController->doMigrate() in InstallController.php line 932
at InstallController->migration_end(object(InstallApplication), object(Request))
at call_user_func_array(array(object(InstallController), 'migration_end'), array(object(InstallApplication), object(Request))) in HttpKernel.php line 144
at HttpKernel->handleRaw(object(Request), '1') in HttpKernel.php line 64
at HttpKernel->handle(object(Request), '1', true) in Application.php line 586
at Application->handle(object(Request)) in Application.php line 563
at Application->run() in install.php line 40
1/3
PDOException in PDOStatement.php line 91:
SQLSTATE[23000]: Integrity constraint violation: 1048 Column 'meta_tags' cannot be null
in PDOStatement.php line 91
at PDOStatement->execute(null) in PDOStatement.php line 91
at PDOStatement->execute(null) in Statement.php line 168
at Statement->execute() in BasicEntityPersister.php line 279
at BasicEntityPersister->executeInserts() in UnitOfWork.php line 966
at UnitOfWork->executeInserts(object(ClassMetadata)) in UnitOfWork.php line 335
at UnitOfWork->commit(null) in EntityManager.php line 340
at EntityManager->flush() in Version20170225120000.php line 34
at Version20170225120000->up(object(Schema)) in Version.php line 262
at Version->execute('up', false, false) in Migration.php line 158
at Migration->migrate('20170225120000', false) in InstallController.php line 623
at InstallController->doMigrate() in InstallController.php line 932
at InstallController->migration_end(object(InstallApplication), object(Request))
at call_user_func_array(array(object(InstallController), 'migration_end'), array(object(InstallApplication), object(Request))) in HttpKernel.php line 144
at HttpKernel->handleRaw(object(Request), '1') in HttpKernel.php line 64
at HttpKernel->handle(object(Request), '1', true) in Application.php line 586
at Application->handle(object(Request)) in Application.php line 563
at Application->run() in install.php line 40

この問題ですが、dtb_page_layoutのmeta_tagsで、DefaultをNoneからNULLにしたことで解決いたしました。

ご迷惑をおかけいたしました。