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ERROR-201

Curtis Chau
Curtis Chau
Updated: June 10, 2025

Description:

This error indicates that the required certificate_file parameter in the POST request was null or empty, which means the server did not receive the necessary certificate to process the request.

Resolution:

Ensure the certificate_file parameter is correctly set to your .p12 or .pfx certificate file. You can do this by specifying the correct file path and ensuring the file is accessible and not corrupted. Here's a basic example of how you might attach a certificate file in a POST request using Python and the requests library.

Curtis Chau
Technical Writer

Curtis Chau holds a Bachelor’s degree in Computer Science (Carleton University) and specializes in front-end development with expertise in Node.js, TypeScript, JavaScript, and React. Passionate about crafting intuitive and aesthetically pleasing user interfaces, Curtis enjoys working with modern frameworks and creating well-structured, visually appealing manuals.

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