postgresql - Error while trying to run phoenix server -


i keep getting error whenever try run phoenix server mix phx.server.

[error] #pid<0.446.0> running citybuilder.web.endpoint terminated server: 0.0.0.0:8080 (http) request: / ** (exit) exception raised: ** (postgrex.error) error 42p01 (undefined_table): relation "stories_topics" not exist (ecto) lib/ecto/adapters/sql.ex:436: ecto.adapters.sql.execute_and_cache/7 (ecto) lib/ecto/repo/queryable.ex:130: ecto.repo.queryable.execute/5 (ecto) lib/ecto/repo/queryable.ex:35: ecto.repo.queryable.all/4 (citybuilder) lib/citybuilder/web/controllers/post_controller.ex:148: citybuilder.web.postcontroller.set_topics/2 (citybuilder) lib/citybuilder/web/controllers/post_controller.ex:1: citybuilder.web.postcontroller.phoenix_controller_pipeline/2 (citybuilder) lib/citybuilder/web/endpoint.ex:1: citybuilder.web.endpoint.instrument/4 (phoenix) lib/phoenix/router.ex:277: phoenix.router.call/1 (citybuilder) lib/citybuilder/web/endpoint.ex:1: citybuilder.web.endpoint.plug_builder_call/2 (citybuilder) lib/plug/debugger.ex:123: citybuilder.web.endpoint."call (overridable 3)"/2 (citybuilder) lib/citybuilder/web/endpoint.ex:1: citybuilder.web.endpoint.call/2 (plug) lib/plug/adapters/cowboy/handler.ex:15: plug.adapters.cowboy.handler.upgrade/4 (cowboy) /home/saikiran/documents/citybuilder/deps/cowboy/src/cowboy_protocol.erl:442: :cowboy_protocol.execute/4

any on how resolve appreciated, thanks


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