Msg 10675, Level 16, State 2, Line 17
Internal Query Processor Error: The query processor could not produce a query plan. The RESUMABLE option is not supported for this index build. Remove the RESUMABLE option and rerun the statement.

DROP TABLE IF EXISTS dbo.OrdersWithComputedIncluded
CREATE TABLE dbo.OrdersWithComputedIncluded
(
    OrderID INT IDENTITY(1,1) NOT NULL,
    OrderDate DATETIME NOT NULL,
    CustomerID INT NOT NULL,
    ClientID AS (CustomerID), -- Computed column
    Amount DECIMAL(18,2) NOT NULL,
    CONSTRAINT PK_OrdersWithComputedIncluded PRIMARY KEY (OrderID)
);
GO

CREATE NONCLUSTERED INDEX IX_OrdersWithComputedIncluded_OrderDate
    ON dbo.OrdersWithComputedIncluded(OrderDate)
    INCLUDE (ClientID);  -- Computed column in INCLUDE
GO

INSERT INTO dbo.OrdersWithComputedIncluded (OrderDate, CustomerID, Amount)
VALUES 
    ('2024-01-15', 1, 100.00),
    ('2024-06-20', 2, 250.50),
    ('2025-03-10', 1, 175.25),
    ('2025-11-05', 3, 300.00);
GO

SELECT * FROM OrdersWithComputedIncluded

ALTER INDEX IX_OrdersWithComputedIncluded_OrderDate
    ON dbo.OrdersWithComputedIncluded 
    REBUILD WITH (SORT_IN_TEMPDB = OFF, ONLINE = ON, RESUMABLE = ON);

EXEC dbo.[IndexOptimize]
    @Databases = 'db',
    @Indexes = 'db.dbo.[table].[index_with_computed_column_in_as_included_column]',
    @FragmentationLow = 'INDEX_REBUILD_ONLINE',
    @FragmentationMedium = 'INDEX_REBUILD_ONLINE',
    @Resumable = 'Y';

Msg 10675, Level 16, State 2, Line 17
Internal Query Processor Error: The query processor could not produce a query plan. The RESUMABLE option is not supported for this index build. Remove the RESUMABLE option and rerun the statement.