Facing problem while using era5 data to run WRF-Chem model

[Setareh Rahimi]

Dear all,
I would like to run the WRF-Chem model with era5 data. However, after downloading both the pressure level and surface level, I could not run ungrib.exe.
Below is the error message I got after running ungrib.exe:
===================================================
*** Starting program ungrib.exe ***
Start_date = 2021-01-14_00:00:00 , End_date = 2021-01-31_00:00:00
output format is WPS
Path to intermediate files is ./
End-of-record mark (7777) not found-632652727
Sec0(1) = 26214508 0
*** stopping in findgrib in gribcode ***\n
\tI could not find the GRIB string in the input file
\tafter testing the first 100,000 bytes.
\tThe file may be corrupt or it is not a GRIB file.
\tPerhaps a gzipped GRIB file or netcdf?\n
STOP findgrib
===================================================
To remove this error I followed the instructions suggested from the link below, but the same error message appeared after running ungrib.exe.

https://forum.mmm.ucar.edu/threads/resolved-ungrib-grib2-file-or-date-problem-error-with-ds113-1-data.433/#p1279

I used both ERA-interim and ECMWF vtables to run the ungrib.exe but nothing changed.

so how can I remove this error message, please?
I also attached my wps namelist.

[Indranil Nandi]

Download ERA-5 using below link along with the mentioned Vtable. Put that Vtable on your WPS. 

https://www2.mmm.ucar.edu/wrf/users/download/free_data.html

Run two times ungrib.exe first then geogrid.exe then metgrid.exe as mentioned in the attached text file. 

Hope your error will get resolved. 

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