I am a beginner in n8n and I am setting up a workflow for our finance team that is intended to download invoice attachments such as PDF and CSV files from our supplier's portal. The flow runs until the most important node, namely the login procedure, is executed, at which point I keep getting a 401 error or a message from Cloudflare security. Does anyone have experience with this? I've been struggling with this for two days now. Any information that helps me move forward would be greatly appreciated.

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Hi im Roger. I'm from the Netherlands. I work as a financial administrative assistant in a software company. I don't have a real IT background, but I am passionate about automation, programming, and AI. In addition to my job, I have a business where I work as a freelancer, creating solutions for my clients for financial/administrative applications. So far, I have mainly been working with MS applications such as Excel, Access, and PowerApps. I mainly program with VBA. When it comes to n8n, I am a complete beginner.