sql - Getting Internal Server Error on pgSQL -

im tryingto import data windows csv (comma delimiter) file pgsql faxtest1 table, keep getting error saying "the server encountered internal error , unable complete request. either server overloaded or there error in application."

the following code:

copy faxtest1     'c:‪\users\david\desktop\test3.csv'     delimiter ',' csv ; 

the csv file like:

status,fax id fax email,2104 fax email,2108 

it bug of pg admin 4, hope fix in future.