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NoMethodError: undefined method `delete_constraint' for nil:NilClass
	from /Users/aadid/Projects/website/gems/gems/dm-constraints-0.9.10/lib/dm-constraints/data_objects_adapter.rb:18:in `create_constraints_statements'
	from /Users/aadid/Projects/website/gems/gems/dm-constraints-0.9.10/lib/dm-constraints/data_objects_adapter.rb:6:in `map'
	from /Users/aadid/Projects/website/gems/gems/dm-constraints-0.9.10/lib/dm-constraints/data_objects_adapter.rb:6:in `create_constraints_statements'
	from /Users/aadid/Projects/website/gems/gems/dm-constraints-0.9.10/lib/dm-constraints/data_objects_adapter.rb:96:in `auto_migrate_constraints_up'
	from /Users/aadid/Projects/website/gems/gems/dm-constraints-0.9.10/lib/dm-constraints/data_objects_adapter.rb:93:in `each'
	from /Users/aadid/Projects/website/gems/gems/dm-constraints-0.9.10/lib/dm-constraints/data_objects_adapter.rb:93:in `auto_migrate_constraints_up'
	from /Users/aadid/Projects/website/gems/gems/extlib-0.9.10/lib/extlib/hook.rb:249:in `execute_after_auto_migrate_up_nan_hook_stack'
	from /Users/aadid/Projects/website/gems/gems/extlib-0.9.10/lib/extlib/hook.rb:302:in `auto_migrate_up'
	from /Users/aadid/Projects/website/gems/gems/extlib-0.9.10/lib/extlib/hook.rb:299:in `catch'
	from /Users/aadid/Projects/website/gems/gems/extlib-0.9.10/lib/extlib/hook.rb:299:in `auto_migrate_up'
	from /Users/aadid/Projects/website/gems/gems/dm-core-0.9.10/lib/dm-core/auto_migrations.rb:13:in `auto_migrate'
	from /Users/aadid/Projects/website/gems/gems/dm-core-0.9.10/lib/dm-core.rb:203:in `auto_migrate!'
	from (irb):1
	from :0