Host session status information
General status information for 3270. This is generated in conjunction with other host communication errors in the error log and contains error codes reported by the 3270 executor at the time of the failure. It can be ignored in all cases and is used to give more specific information if the problem is reported to Blueworx Support.
Check for other 3270 errors logged at the same time. These will give you some indication of the reason for the failure.
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Log