Why does the Axios request result in two instances of undefined and two instances of data being returned?

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It is difficult to determine the exact reason without seeing the code and the API response. However, there could be a few possible reasons for this behavior:

1. The API response might be returning multiple data objects or arrays, and the Axios request is not handling them properly. In this case, you might need to modify the code to handle the response accordingly.

2. The Axios request might be sending multiple requests to the same API endpoint, which results in multiple responses. This can happen if the code is calling the Axios request multiple times in a loop or multiple places.

3. There might be some issue with the Axios configuration, such as interceptors or middleware, which is causing the request to behave unexpectedly.

To troubleshoot this issue, you can start by looking at the API response and the Axios request code to see if there are any obvious issues. You can also try adding debug statements or using a debugger to trace the request/response flow and identify what is causing the unexpected behavior.