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Applies to: 
SQL Server
Azure SQL Database
Azure SQL Managed Instance
Details
| Attribute | Value |
|---|---|
| Product Name | SQL Server |
| Event ID | 125 |
| Event Source | MSSQLSERVER |
| Component | SQLEngine |
| Symbolic Name | |
| Message Text | Case expressions may only be nested to level %d. |
Explanation
SQL Server allows for only 10 levels of nesting in CASE expressions.
User Action
Reduce the level of CASE statements to 10 or less.