# Migrate a vBulletin 4 forum to Discourse
**URL:** https://meta.discourse.org/t/migrate-a-vbulletin-4-forum-to-discourse/54881
**Category:** Sysadmins
**Tags:** how-to
**Created:** [12월 28, 2016, 2:59오후 UTC](https://meta.discourse.org/t/migrate-a-vbulletin-4-forum-to-discourse/54881 "2016-12-28T14:59:29Z")
**Posts on this page:** 1
**Showing post:** 161
### Author:  [@Haddoq](https://meta.discourse.org/u/Haddoq)
#### Post date: [4월 27, 2022, 9:51오후 UTC](https://meta.discourse.org/t/migrate-a-vbulletin-4-forum-to-discourse/54881/161 "2022-04-27T21:51:48Z")
음.. 그래서 가져오기(import) 스크립트는 실행되게 만들었는데, 사용자를 가져오는 과정에서 오류가 발생하고 있습니다.
이 문제를 해결하는 방법에 대해 혹시 아이디어가 있으신가요?
```plaintext
root@discourse-one-app:/var/www/discourse# su discourse -c 'bundle exec ruby script/import_scripts/vbulletin.rb'
root:password@localhost wants vbulletin
Loading existing groups...
Loading existing users...
Loading existing categories...
Loading existing posts...
Loading existing topics...
importing groups...
16 / 16 (100.0%) [126440 items/min]
importing users
Traceback (most recent call last):
14: from script/import_scripts/vbulletin.rb:999:in `'
13: from /var/www/discourse/script/import_scripts/base.rb:47:in `perform'
12: from script/import_scripts/vbulletin.rb:82:in `execute'
11: from script/import_scripts/vbulletin.rb:129:in `import_users'
10: from /var/www/discourse/script/import_scripts/base.rb:907:in `batches'
9: from /var/www/discourse/script/import_scripts/base.rb:907:in `loop'
8: from /var/www/discourse/script/import_scripts/base.rb:908:in `block in batches'
7: from script/import_scripts/vbulletin.rb:152:in `block in import_users'
6: from /var/www/discourse/script/import_scripts/base.rb:264:in `create_users'
5: from /var/www/discourse/script/import_scripts/base.rb:264:in `each'
4: from /var/www/discourse/script/import_scripts/base.rb:265:in `block in create_users'
3: from script/import_scripts/vbulletin.rb:170:in `block (2 levels) in import_users'
2: from script/import_scripts/vbulletin.rb:990:in `parse_timestamp'
1: from /var/www/discourse/vendor/bundle/ruby/2.7.0/gems/tzinfo-2.0.4/lib/tzinfo/timezone.rb:575:in `utc_to_local'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/tzinfo-2.0.4/lib/tzinfo/timestamp.rb:136:in `for': Integer values are not supported (ArgumentError)
```
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_[View the full topic](https://meta.discourse.org/t/migrate-a-vbulletin-4-forum-to-discourse/54881)._