Class: MicroformError {#class-microform-error-v2_Id18AFA0Z01BI}
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This class defines how error scenarios are presented by Microform, primarily as the first argument to callbacks. See [callback(erropt, nullable, dataopt, nullable) \> {void}](/docs/cybs/en-us/digital-accept-flex/developer/all/rest/digital-accept-flex/microform-integ-v2/micro-v2-reference/api-reference-v2/global-v2.md "").

Members {#class-microform-error-v2_id1949H0V0BYK}
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`(static, readonly)`Reason Codes - Field Load Errors  
Possible errors that can occur during the loading or unloading of a field.  
**Properties**

| Name                              | Type   | Description                                                                         |
|:----------------------------------|:-------|:------------------------------------------------------------------------------------|
| FIELD_UNLOAD_ERROR                | string | Occurs when you attempt to unload a field that is not currently loaded.             |
| FIELD_ALREADY_LOADED              | string | Occurs when you attempt to load a field which is already loaded.                    |
| FIELD_LOAD_CONTAINER_SELECTOR     | string | Occurs when a DOM element cannot be located using the supplied CSS Selector string. |
| FIELD_LOAD_INVALID_CONTAINER      | string | Occurs when an invalid container parameter has been supplied.                       |
| FIELD_SUBSCRIBE_UNSUPPORTED_EVENT | string | Occurs when you attempt to subscribe to an unsupported event type.                  |
| FIELD_SUBSCRIBE_INVALID_CALLBACK  | string | Occurs when you supply a callback that is not a function.                           |

`(static, readonly)`Reason Codes - Field object Creation  
Possible errors that can occur during the creation of a Field object [createField(fieldType, optionsopt) \> {Field}](/docs/cybs/en-us/digital-accept-flex/developer/all/rest/digital-accept-flex/microform-integ-v2/micro-v2-reference/api-reference-v2/class-microform-v2.md#class-microform-v2_clear "").  
**Properties**

| Name                            | Type   | Description                                                                       |
|:--------------------------------|:-------|:----------------------------------------------------------------------------------|
| CREATE_FIELD_INVALID_FIELD_TYPE | string | Occurs when you try to create a field with an unsupported type.                   |
| CREATE_FIELD_DUPLICATE          | string | Occurs when a field of the given type has already been added to your integration. |

`(static, readonly)`Reason Codes - Flex object Creation  
Possible errors that can occur during the creation of a Flex object.  
**Properties**

| Name                    | Type   | Description                               |
|:------------------------|:-------|:------------------------------------------|
| CAPTURE_CONTEXT_INVALID | string | Occurs when you pass an invalid JWT.      |
| CAPTURE_CONTEXT_EXPIRED | string | Occurs when the JWT you pass has expired. |

`(static, readonly)`Reason Codes - Iframe validation errors  
Possible errors that can occur during the loading of an iframe.  
**Properties**

| Name                          | Type   | Description                                                              |
|:------------------------------|:-------|:-------------------------------------------------------------------------|
| IFRAME_JWT_VALIDATION_FAILED  | string | Occurs when the iframe cannot validate the JWT passed.                   |
| IFRAME_UNSUPPORTED_FIELD_TYPE | string | Occurs when the iframe is attempting to load with an invalid field type. |

`(static, readonly)`Reason Codes - Token creation  
Possible errors that can occur during the request to create a token.  
**Properties**

| Name                               | Type   | Description                                                                                                                                                                                                                                                                                                             |
|:-----------------------------------|:-------|:------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| CREATE_TOKEN_NO_FIELDS_LOADED      | string | Occurs when you try to request a token, but no fields have been loaded.                                                                                                                                                                                                                                                 |
| CREATE_TOKEN_TIMEOUT               | string | Occurs when the `createToken` call was unable to proceed Within Capture Context Validity (15 mins): : Do NOT resend the capture context or reload Microform. Instruct the customer to retry until successful. After Capture Context Validity (\>15 mins): : Resend the capture context request and reload Microform. |
| CREATE_TOKEN_XHR_ERROR             | string | Occurs when there is a network error when attempting to create a token. Resend the capture context request and reload Microform.                                                                                                                                                                                        |
| CREATE_TOKEN_NO_FIELDS             | string | Occurs when the data fields are unavailable for collection.                                                                                                                                                                                                                                                             |
| CREATE_TOKEN_VALIDATION_PARAMS     | string | Occurs when there's an issue with parameters supplied to `createToken`.                                                                                                                                                                                                                                                 |
| CREATE_TOKEN_VALIDATION_FIELDS     | string | Occurs when there's a validation issue with data in your loaded fields. Instruct the customer to enter valid data.                                                                                                                                                                                                      |
| CREATE_TOKEN_VALIDATION_SERVERSIDE | string | Occurs when server-side validation rejects the `createToken` request.                                                                                                                                                                                                                                                   |
| CREATE_TOKEN_UNABLE_TO_START       | string | Occurs when no loaded field was able to handle the `createToken` request.                                                                                                                                                                                                                                               |

`(nullable)correlationID :string`  
The correlationId of any underlying API call that resulted in this error.  
***Type***  
String  
`(nullable)details :array`  
Additional error specific information.  
***Type***  
Array  
`(nullable)informationLink :string`  
A URL link to general online documentation for this error.  
***Type***  
String  
`message :string`  
A simple human-readable description of the error that has occurred.  
***Type***  
String  
`reason :string`  
A reason corresponding to the specific error that has occurred.  
***Type***  
String