Cannot perform an aggregate function on an expression containing an aggregate or a subquery.

Error Message:
Msg 130, Level 15, State 1, Line 3
Cannot perform an aggregate function on an expression containing an aggregate or a subquery.

Severity level:
15.

Description:
This error message appears when you try to use an aggregate on an expression containing an aggregate or a subquery.

Consequences:
The T-SQL statement can be parsed, but causes the error at runtime.

Resolution:
Error of the Severity level 15 are generated by the user and can be fixed by the SQL Server user. The statement cannot be run this way. You cannot run such a query.

Versions:
All versions of SQL Server.

Example(s):
SELECT
    MIN(SUM(1))

Remarks:
In the above example we try to perform the MIN() aggregate on the SUM() aggregate. This raises the error.



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