Hi, I'm a new energyplus user and I don't know how to solve these errors.

edit

Thanks for your helping.

Program Version,EnergyPlus, Version 9.2.0-921312fa1d, YMD=2020.06.15 18:03,
** Severe  ** <root>[Material] - Object contains properties that could not be validated using 'properties' or 'additionalProperties' constraints
** Severe  ** <root>[Material] - Object name is required and cannot be blank or whitespace
**  Fatal  ** Errors occurred on processing input file. Preceding condition(s) cause termination.
...Summary of Errors that led to program termination:
..... Reference severe error count=2
..... Last severe error=<root>[Material] - Object name is required and cannot be blank or whitespace
************* 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; 2 Severe Errors; Elapsed Time=00hr 00min  0.31sec

Thanks