ERROR 1: PROJ: proj_create_from_database: Open of /data3/xujingbo/.conda/envs/cbgmap/share/proj failed

[xumanba]

When I run the following code, I get this error：
import pandas as pd
import geopandas as gpd
import geoplot as gplt
usa_cities = gpd.read_file(gplt.datasets.get_path('usa_cities'))
usa_cities.head()