# Cannot open ActiveRecord::Migration: No such file

**URL:** <https://www.ruby-forum.com/t/cannot-open-activerecord-no-such-file/156509>\
**Category:** Rails\
**Created:** [December 29, 2008, 9:57am UTC](https://www.ruby-forum.com/t/cannot-open-activerecord-no-such-file/156509 "2008-12-29T09:57:38Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![vishnu](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/v/258eb7/32.png) [@vishnu](https://www.ruby-forum.com/u/vishnu)\
**Post date:** [December 29, 2008, 9:57am UTC](https://www.ruby-forum.com/t/cannot-open-activerecord-no-such-file/156509/1 "2008-12-29T09:57:38Z")

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Hi… i encounter a problem while running the migration script. ( ie  
db/migrate/20081229062613\_create\_posts.rb) . when the command is  
executed i encounter the following error.  
“cannot open ActiveRecord::Migration: No such file” followed by a  
lot of errors indicating the missing of certain files… any  
solution plz…