caught Query_abort exception

Created an external table thru spectrum for loading 30 parquet files into redshift table using insert select but every time getting the below error. **None of the Dictionary tables give proper information about the root cause. **

Query 1292641 caught Query_abort exception

userid 100 process query2_121_1292641 recordtime 47:03.0 pid 8644 errcode 1020 file /home/ec2-user/padb/src/sys/xn_query.cpp linenum 1189 context error Query 1292641 caught Query_abort exception