# NamedExpressionNameIsInvalidError

Error thrown when the name given for the named expression is invalid.

## Constructors

### constructor 

\+ **new NamedExpressionNameIsInvalidError**(`expressionName`: string): *[NamedExpressionNameIsInvalidError](namedexpressionnameisinvaliderror.md)*

*Defined in [src/errors.ts:93](https://github.com/handsontable/hyperformula/blob/9c22416/src/errors.ts#L93)*

**Parameters:**

Name | Type |
------ | ------ |
`expressionName` | string |

**Returns:** *[NamedExpressionNameIsInvalidError](namedexpressionnameisinvaliderror.md)*

## Properties

### message 

• **message**: *string*

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### name 

• **name**: *string*

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### stack

• **stack**? : *undefined | string*

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### Error

▪ **Error**: *ErrorConstructor*