---
lang: en
title: 'API docs: repository.invalidrelationerror'
keywords: LoopBack 4.0, LoopBack 4, Node.js, TypeScript, OpenAPI
sidebar: lb4_sidebar
editurl: https://github.com/strongloop/loopback-next/tree/master/packages/repository
permalink: /doc/en/lb4/apidocs.repository.invalidrelationerror.html
---

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[Home](./index.md) &gt; [@loopback/repository](./repository.md) &gt; [InvalidRelationError](./repository.invalidrelationerror.md)

## InvalidRelationError class

<b>Signature:</b>

```typescript
export declare class InvalidRelationError<Props extends object = {}> extends Error 
```
<b>Extends:</b> Error

## Constructors

|  Constructor | Modifiers | Description |
|  --- | --- | --- |
|  [(constructor)(reason, relationMeta, extraProperties)](./repository.invalidrelationerror._constructor_.md) |  | Constructs a new instance of the <code>InvalidRelationError</code> class |

## Properties

|  Property | Modifiers | Type | Description |
|  --- | --- | --- | --- |
|  [code](./repository.invalidrelationerror.code.md) |  | string |  |
|  [reason](./repository.invalidrelationerror.reason.md) |  | string |  |
|  [relationName](./repository.invalidrelationerror.relationname.md) |  | string |  |
|  [relationType](./repository.invalidrelationerror.relationtype.md) |  | [RelationType](./repository.relationtype.md) |  |
|  [sourceModelName](./repository.invalidrelationerror.sourcemodelname.md) |  | string |  |