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問題
アップグレード中に、アップグレードログにこのエラーが表示されることがあります：
2021-09-30 14:25:57.235 INFO [main][UpgradeProcess:115] Failed upgrade process com.liferay.portal.upgrade.PortalUpgradeProcess in 8114 ms com.liferay.portal.kernel.upgrade.UpgradeException: com.liferay.portal.kernel.upgrade.UpgradeException: com.liferay.portal.kernel.upgrade.UpgradeException: No primary key column found for AssetCategory at com.liferay.portal.kernel.upgrade.UpgradeProcess.upgrade(UpgradeProcess.java:109)