| Exception | Description |
|---|---|
| System.ArgumentNullException | The value assigned is null or empty. |
| System.ArgumentException | The value assigned is longer than 255 characters. |
| System.ArgumentException | The value assigned is not a valid named reference. The name must begin with a letter, underscore (_), or a backslash (\). All other characters in the name must be letters, numbers, periods, underscores (_), or backslashes (\). The name cannot be a an A1 cell reference (1 to 3 letters followed by 1 to 6 numbers). In addition, the name cannot be 'r', 'R', 'c', or 'C' or start with a row or column reference in R1C1 cell reference mode ('R' followed by 1 to 6 numbers or 'C' followed by 1 to 6 numbers). |
| System.InvalidOperationException | The value assigned is the name of another named reference with the same Scope. Names are compared case-insensitively. |
See the overview on Scope for details on how to access a named reference by name in formulas.
Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Server 2012, Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2