Rails DB Migration Error: relation already exists

Rails DB Migration Error: relation already exists

References

Reference NO 1

http://stackoverflow.com/questions/13640779/rails-db-migration-error-relation-already-exists

Reference NO 2

http://stackoverflow.com/questions/16974995/heroku-production-error-pgerror-error-relation-users-already-exists-error

Reference NO 3

http://stackoverflow.com/questions/8866070/dbmigrate-with-postgres-how-to-fix-users-already-exists

Reference NO 4

http://stackoverflow.com/questions/9255484/pgerror-error-relation-schema-migrations-does-not-exist-when-i-heroku-dbpus

Reference NO 5

http://stackoverflow.com/questions/11023645/heroku-run-rake-dbmigrate-error

Reference NO 6

https://github.com/gregbell/active_admin/issues/830

Reference NO 7

#EANF#

Reference NO 8

#EANF#