MSSQLSERVER_10521
Applies to: 
SQL Server
Azure SQL Database
Azure SQL Managed Instance
Details
| Attribute | Value |
|---|---|
| Product Name | SQL Server |
| Event ID | 10521 |
| Event Source | MSSQLSERVER |
| Component | SQLEngine |
| Symbolic Name | PG_PARAM_NEEDED |
| Message Text | Cannot create plan guide '%.*ls' because @type was specified as '%ls' and the parameter '%ls' is NULL. This type requires a non-NULL value for the parameter. Specify a non-NULL value for the parameter, or change the type to one that allows a NULL value for the parameter. |
Explanation
The type specified in @type requires a non-NULL value for the specified parameter; however a NULL value was supplied.
User Action
Specify a non-NULL value for the parameter, or change the type to one that allows a NULL value for the parameter.
See Also
sp_create_plan_guide (Transact-SQL)
Plan Guides
sp_create_plan_guide_from_handle (Transact-SQL)