How to fix Error 10760 on Windows Server 2025 / Windows 11

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Troubleshooting Guide: SQL Server Error 10760 – Invalid Scale Argument

Why This Error Happens

Error 10760 occurs when a data type declaration (such as DECIMAL, NUMERIC, DATETIME2, or TIME) includes a scale argument that is not a literal integer constant or a valid constant expression. This typically happens when a variable, column reference, function call, or an expression involving non-deterministic values is mistakenly passed as the scale parameter. SQL Server’s parser requires the scale to be resolvable at compile time, so any dynamic or non-constant value will trigger this failure before the query even executes.

Step-by-Step Resolution Guide

Step 1: Identify the Offending Statement

  • Review the exact T-SQL script referenced in the error message or SQL Server Management Studio (SSMS) error pane.
  • Look specifically for data type declarations like DECIMAL(p, s), NUMERIC(p, s), or DATETIME2(n) where s or n might be a variable.
  • Check dynamic SQL blocks (sp_executesql or EXEC) since concatenated strings often hide invalid scale values.

Step 2: Replace Dynamic Values with Constants

  • Ensure the scale argument is a hard-coded integer (e.g., DECIMAL(18, 2) instead of DECIMAL(18, @Scale)).
  • If the scale must be dynamic, restructure the logic using Dynamic SQL to build the string and inject the integer value safely before execution:
  DECLARE @SQL NVARCHAR(MAX);
  DECLARE @Scale INT = 2;
  SET @SQL = N'CREATE TABLE dbo.TestTable (Amount DECIMAL(18, ' + CAST(@Scale AS NVARCHAR(10)) + N'))';
  EXEC sp_executesql @SQL;
  • Avoid using functions (like GETDATE() or RAND()) directly inside the parentheses of a type declaration.

Step 3: Validate Compatibility Level and Syntax

  • Open SSMS and right-click the database > Properties > Options to check the Compatibility Level.
  • Since this involves SQL Server 2025, ensure the compatibility level is set to 170 (or the latest applicable level) to support newer constant-folding behaviors.
  • Re-run the script in a new query window to rule out cached execution plan corruption by executing DBCC FREEPROCCACHE; (use with caution in production).

Step 4: Check for Corrupted Metadata or Extended Properties

  • If the error persists on an existing table rather than a new script, verify the system catalog views using:
  SELECT name, precision, scale FROM sys.columns WHERE object_id = OBJECT_ID('dbo.YourTableName');
  • If the catalog shows NULL or invalid scale values, you may need to export the data and recreate the table schema from scratch.

Alternative or Verification Steps

  • Verification: Execute the corrected script in a transaction (BEGIN TRAN... ROLLBACK) to confirm the table or variable creation succeeds without triggering Error 10760.
  • Alternative: If using an ORM (like Entity Framework) or a migration tool, check the auto-generated migration scripts for incorrect parameter mapping, as ORMs sometimes pass string lengths as scale values incorrectly during type conversion.