How to fix Recovery Pending State in SQL Server Database?

Execute the following set of queries:

ALTER DATABASE [DBName] SET EMERGENCY;
GO

ALTER DATABASE [DBName] set single_user
GO

DBCC CHECKDB ([DBName], REPAIR_ALLOW_DATA_LOSS) WITH ALL_ERRORMSGS;
GO 

ALTER DATABASE [DBName] set multi_user
GO

For more info: https://www.stellarinfo.com/blog/fix-sql-database-recovery-pending-state-issue/