Problem:

The following message appears when using AutoPIPE Vessel,

1026: Compartment n°3 : pressure / temperature missing.

why and how to avoid?

Solution:

User Heat exchanger construction type is "AES", Refer below image for reference.

For this specific type of heat exchanger, it is necessary to input the diameter of the head (17.12) and the cylindrical shell (17.08).

Update the details, and you will not encounter the above error.