Message 3139

Severity: Serious (value = 2)
Default Action: Warn (value = 1)
Description: Property <value> is dropped because the interval length is set to <value>.
Detail:

Message 3139 occurs when the Horizon Periods per Day is set to 24 and the property [... Hour] is used.

This message indicates that the property [... Hour] is deleted from the model. In general when the Horizon interval length is 1 hour you should use the property for the interval instead of the hourly variant [... Hour].