# Missing required property 'construction_name'.

Hi, this is for a class project, and we are told to get help from here so here I am. So I was just building a simple geometry on FloorSpaceJS and imported on OpenStudio and set up some basic parameters. And when I was trying to run the simulation, an error occurred. And sorry it won't let me post an image, so I had to copy and paste the message below.

This is what I got when I clicked Run Simulation:

Initializing workflow.
Processing OpenStudio Measures.
Translating the OpenStudio Model to EnergyPlus.
Processing EnergyPlus Measures.
Starting Simulation.
EnergyPlus Starting
EnergyPlus, Version 9.3.0-baff08990c, YMD=2020.10.27 11:32
**FATAL:Errors occurred on processing input file. Preceding condition(s) cause termination.
EnergyPlus Run Time=00hr 00min  0.31sec
Program terminated: EnergyPlus Terminated--Error(s) Detected.
Failed.


Then I went into the eplusout file and found this:

Program Version,EnergyPlus, Version 9.3.0-baff08990c, YMD=2020.10.27 11:32,
** Severe  ** <root>[BuildingSurface:Detailed][Face 1] - Missing required property 'construction_name'.
**  Fatal  ** Errors occurred on processing input file. Preceding condition(s) cause termination.
...Summary of Errors that led to program termination:
..... Reference severe error count=1
..... Last severe error=<root>[BuildingSurface:Detailed][Face 1] - Missing required property 'construction_name'.
************* Warning:  Node connection errors not checked - most system input has not been read (see previous warning).
************* Fatal error -- final processing.  Program exited before simulations began.  See previous error messages.
************* EnergyPlus Warmup Error Summary. During Warmup: 0 Warning; 0 Severe Errors.
************* EnergyPlus Sizing Error Summary. During Sizing: 0 Warning; 0 Severe Errors.
************* EnergyPlus Terminated--Fatal Error Detected. 0 Warning; 1 Severe Errors; Elapsed Time=00hr 00min  0.31sec


So I guess the error comes from Missing required property 'construction_name'. But I couldn't figure out how to fix this. Can someone please help?

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