[5801-5850] Apr 2026

Specific to mainframe environments; verify data set availability and JES3 status. Interface Disconnection

Below is a guide for understanding and troubleshooting this specific message range. 1. Overview of the [5801-5850] Message Range [5801-5850]

Often indicates a loss of connection between the Natural session and the external COM server. 3. General Troubleshooting Steps Specific to mainframe environments