Why Does My Stored Procedure Get a 'Too Many Arguments' Error?

Procedure or Function Has Too Many Arguments Specified

When encountering this error message, it indicates that an excessive number of arguments have been provided during the invocation of a stored procedure or function. Identifying the source of the error can be crucial to resolving the issue.

Identifying the Source of the Error

In the given scenario, the error occurs while calling the stored procedure [dbo].[M_UPDATES], which in turn invokes another stored procedure, [etl_M_Update_Promo]. Upon examination, it is evident that [dbo].[M_UPDATES] attempts to call [etl_M_Update_Promo] with two parameters, whereas the declaration of [etl_M_Update_Promo] specifies only one parameter.

Code for [dbo].[M_UPDATES]

EXEC etl.etl_M_Update_Promo @GenID, @Description

Code for [etl_M_Update_Promo]

ALTER PROCEDURE [etl].[etl_M_Update_Promo]
@GenId bigint = 0
as

As you can see, [etl_M_Update_Promo] is declared to take only the @GenId parameter, resulting in the error message.

Resolution

To resolve this issue, it is necessary to modify the declaration of [etl_M_Update_Promo] to include the additional parameter, @Description. By doing so, the function will be able to accommodate the two parameters provided by [dbo].[M_UPDATES].

Updated Code for [etl_M_Update_Promo]

ALTER PROCEDURE [etl].[etl_M_Update_Promo]
@GenId bigint = 0,
@Description NVARCHAR(50)
AS

After updating the declaration, the error should be resolved, allowing the procedure to function as intended.

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