Import Script for Neo4j for the Standford SNAP: Pokec Social Network dataset using Neo4j's parallel importer (takes 30s for 1.6M nodes 30M rels)

import-pokec.sh

echo "Usage [pokec.db] [2.2.2|2.3-SNAPSHOT]"
DB=${1-pokec.db}
VERSION=${2-2.2.2}

#Import: POKEC Dataset from Stanford Snap

#https://snap.stanford.edu/data/soc-pokec-readme.txt

if [ ! -f soc-pokec-profiles.txt.gz ]; then
curl -OL https://snap.stanford.edu/data/soc-pokec-profiles.txt.gz
fi
if [ ! -f soc-pokec-relationships.txt.gz ]; then
curl -OL https://snap.stanford.edu/data/soc-pokec-relationships.txt.gz
fi

if [ ! -f soc-pokec-profiles_no_null_sorted.txt.gz ]; then
gzip -dc soc-pokec-profiles.txt.gz | sed -e 's/null//g' | sort -k1 -n --parallel=10 -S 5G | gzip > soc-pokec-profiles_no_null_sorted.txt.gz
fi

echo "_key:ID	public:INT	completion_percentage	gender:INT	region	last_login	registration	AGE:INT	body	I_am_working_in_field	spoken_languages	hobbies	I_most_enjoy_good_food	pets	body_type	my_eyesight	eye_color	hair_color	hair_type	completed_level_of_education	favourite_color	relation_to_smoking	relation_to_alcohol	sign_in_zodiac	on_pokec_i_am_looking_for	love_is_for_me	relation_to_casual_sex	my_partner_should_be	marital_status	children	relation_to_children	I_like_movies	I_like_watching_movie	I_like_music	I_mostly_like_listening_to_music	the_idea_of_good_evening	I_like_specialties_from_kitchen	fun	I_am_going_to_concerts	my_active_sports	my_passive_sports	profession	I_like_books	life_style	music	cars	politics	relationships	art_culture	hobbies_interests	science_technologies	computers_internet	education	sport	movies	travelling	health	companies_brands	more" > profiles_header.txt

echo ':START_ID	:END_ID' > relationships_header.txt

#export NEO=~/Downloads/neo4j-enterprise-2.3-SNAPSHOT
#export NEO=/data/versions/neo4j-enterprise-2.3-SNAPSHOT
export NEO=/data/versions/neo4j-enterprise-$VERSION

export IDTYPE=integer #actual
rm -rf $DB
$NEO/bin/neo4j-import --into $DB --id-type $IDTYPE --delimiter TAB --quote Ö  --nodes:PROFILES profiles_header.txt,soc-pokec-profiles_no_null_sorted.txt.gz --relationships:RELATION relationships_header.txt,soc-pokec-relationships.txt.gz
JAVA_OPTS="-Xmx12G -Xmn2G" $NEO/bin/neo4j-shell -path $DB -c 'CREATE CONSTRAINT ON (p:PROFILES) ASSERT p._key IS UNIQUE;'

Nodes
Error in input data
Caused by:Extra column not present in header on line 0 in /home/patricia/Descargas/280ed1a37368e24357c5-a8c4a1e2f313ce8f4991c77a65a9a4b2741dcd81/soc-pokec-profiles_no_null_sorted.txt.gz with value null

Could you help me?