···

       
7
       
 
       


     

       
8
       
 
       
When we use a GraphQL API there are two kinds of errors we may encounter: Network Errors and GraphQL

     

       
9
       
 
       
Errors from the API. Since it's common to encounter either of them, there's a

     

       
10
       
-
       
[`CombinedError`](../api/core.md#combinederror-class) class that can hold and abstract either.

     

       
11
       
 
       


     

       
12
       
 
       
We may encounter a `CombinedError` when using `urql` wherever an `error` may be returned, typically

     

       
13
       
 
       
in results from the API. The `CombinedError` can have one of two properties that describe what went

     

···

       
7
       
 
       


     

       
8
       
 
       
When we use a GraphQL API there are two kinds of errors we may encounter: Network Errors and GraphQL

     

       
9
       
 
       
Errors from the API. Since it's common to encounter either of them, there's a

     

       
10
       
+
       
[`CombinedError`](../api/core.md#combinederror) class that can hold and abstract either.

     

       
11
       
 
       


     

       
12
       
 
       
We may encounter a `CombinedError` when using `urql` wherever an `error` may be returned, typically

     

       
13
       
 
       
in results from the API. The `CombinedError` can have one of two properties that describe what went