The problem of errors in credit reports on whether a customer is deceased does seem quite puzzling. Some of the factors that can lead to such discrepancies include data entry errors, identity mix-ups, or outdated information. This seems like some strange bug in the system that can wreak havoc on the course of financial transactions and creditworthiness, and this has consequences with regard to personal matters. Credit reporting agencies take these situations seriously and will typically have dispute resolution mechanisms in place. Where you find yourself in such a situation, it is actually better to get in touch with the credit reporting agency causing the error directly. Most of the agencies have also provided their channels of disputes, whereby you could provide documents that prove you're not just alive but even chugging merrily.
As for the preventive measures, credit reporting agencies continually improve their systems to avoid errors. They also comply with all regulations and standards about data accuracy. However, remember, glitches do happen, and that's where these dispute resolution procedures come in handy.
So, if you are wondering, "why does my credit say consumer deceased?" — it might be one of those strange bugs in the system, but rest assured, there are processes in place to get things set to rights and ensure your credit report accurately represents your lively financial status!