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100021 Apr 2026

In the Journal of Nutritional Physiology , article 100021 (published March 20, 2026) discusses "Modeling a leaky gut in vitro " and the effects of sodium butyrate on gut barriers. Another medical article under this ID covers using virtual reality to teach undergraduate ophthalmology.

It is used as a specific error code in various systems. For example, it can indicate a database connection failure between Pentaho DI and AWS Redshift, or an abnormal termination of a Db2 subsystem in IBM-related mainframe software. 100021

While not the full number, the code *21* is frequently part of a "Call Forwarding Scam" where fraudsters trick users into redirecting their calls and OTPs to an attacker's phone. In the Journal of Nutritional Physiology , article

The digital identifier 100021 is used by the Peer Community in Archaeology for cross-comparing classical sources and explorer data. For example, it can indicate a database connection

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