Hi @NFSCoder-9821 ,
Welcome to Microsoft Q&A Platform. Thank you for the question.
As error stated "You can't sign in here with a work or school account. Use you personal Microsoft account instead." that means you are trying to connect OneDrive with work or school account. I would suggest to use "OneDrive for Business" connector if you are using work or school account, else you can use your personal account with "OneDrive" connector.
OneDrive is intended for personal storage. OneDrive for Business, on the other hand, is one part of Office 365 (or SharePoint Server). It gives you a place in the cloud where you can store, share, and sync all work files.
Regards,
Kamlesh Kumar
BizTalk Techie
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