Add new error codes, update links

Author: dichotommy

learn/advanced/asynchronous_operations.md

@@ -44,7 +44,7 @@ If a task fails due to an error, all error fields will be appended to the task r
 
 ### Summarized task objects
 
-All asynchronous operations return a summarized version of the [`task` object](#response). It contains the following fields in the stated order:
+All asynchronous operations return a summarized version of [the full `task` object](#task-api-response). It contains the following fields in the stated order:
 
 | Field        | Type    | Description                                                                           |
 |--------------|---------|---------------------------------------------------------------------------------------|

reference/api/error_codes.md

@@ -168,3 +168,11 @@ The requested task does not exist. Please ensure that you are using the correct
 ### `invalid_typo_tolerance_min_word_size_for_typos`
 
 The `minWordSizeForTypos` object is invalid. The value for both `oneTypo` and `twoTypos` should be between `0` and `255`, and `twoTypos` should be greater or equal to `oneTypo`.
+
+### `invalid_task_status`
+
+The requested task status is invalid. Please use one of [these four possible values](/learn/advanced/asynchronous_operations.md#task-status).
+
+### `invalid_task_type`
+
+The requested task type is invalid. Please use one of the values defined in our [asynchronous operations guide](/learn/advanced/asynchronous_operations.md#task-api-response).

resources/faq.md

@@ -51,7 +51,7 @@ More datasets and setting configurations are available [in this repository](http
 
 ## I did a call to an API route and got an object as a response. What does it mean?
 
-All asynchronous operations return a summarized version of the [`task` object](/learn/advanced/asynchronous_operations.md#response).
+All asynchronous operations return a [summarized version of the `task` object](/learn/advanced/asynchronous_operations.md#summarized-task-objects).
 
 ```json
 {