{"action":"created","issue":{"url":"https://api.github.com/repos/carla-simulator/carla/issues/773","repository_url":"https://api.github.com/repos/carla-simulator/carla","labels_url":"https://api.github.com/repos/carla-simulator/carla/issues/773/labels{/name}","comments_url":"https://api.github.com/repos/carla-simulator/carla/issues/773/comments","events_url":"https://api.github.com/repos/carla-simulator/carla/issues/773/events","html_url":"https://github.com/carla-simulator/carla/issues/773","id":359727063,"node_id":"MDU6SXNzdWUzNTk3MjcwNjM=","number":773,"title":"Link error in step 'make package'","user":{"login":"GloryWoo","id":5069503,"node_id":"MDQ6VXNlcjUwNjk1MDM=","avatar_url":"https://avatars3.githubusercontent.com/u/5069503?v=4","gravatar_id":"","url":"https://api.github.com/users/GloryWoo","html_url":"https://github.com/GloryWoo","followers_url":"https://api.github.com/users/GloryWoo/followers","following_url":"https://api.github.com/users/GloryWoo/following{/other_user}","gists_url":"https://api.github.com/users/GloryWoo/gists{/gist_id}","starred_url":"https://api.github.com/users/GloryWoo/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/GloryWoo/subscriptions","organizations_url":"https://api.github.com/users/GloryWoo/orgs","repos_url":"https://api.github.com/users/GloryWoo/repos","events_url":"https://api.github.com/users/GloryWoo/events{/privacy}","received_events_url":"https://api.github.com/users/GloryWoo/received_events","type":"User","site_admin":false},"labels":[{"id":866843604,"node_id":"MDU6TGFiZWw4NjY4NDM2MDQ=","url":"https://api.github.com/repos/carla-simulator/carla/labels/build%20system","name":"build system","color":"c2e0c6","default":false},{"id":949191287,"node_id":"MDU6TGFiZWw5NDkxOTEyODc=","url":"https://api.github.com/repos/carla-simulator/carla/labels/support","name":"support","color":"cc317c","default":false}],"state":"open","locked":false,"assignee":{"login":"nsubiron","id":4332953,"node_id":"MDQ6VXNlcjQzMzI5NTM=","avatar_url":"https://avatars2.githubusercontent.com/u/4332953?v=4","gravatar_id":"","url":"https://api.github.com/users/nsubiron","html_url":"https://github.com/nsubiron","followers_url":"https://api.github.com/users/nsubiron/followers","following_url":"https://api.github.com/users/nsubiron/following{/other_user}","gists_url":"https://api.github.com/users/nsubiron/gists{/gist_id}","starred_url":"https://api.github.com/users/nsubiron/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/nsubiron/subscriptions","organizations_url":"https://api.github.com/users/nsubiron/orgs","repos_url":"https://api.github.com/users/nsubiron/repos","events_url":"https://api.github.com/users/nsubiron/events{/privacy}","received_events_url":"https://api.github.com/users/nsubiron/received_events","type":"User","site_admin":false},"assignees":[{"login":"nsubiron","id":4332953,"node_id":"MDQ6VXNlcjQzMzI5NTM=","avatar_url":"https://avatars2.githubusercontent.com/u/4332953?v=4","gravatar_id":"","url":"https://api.github.com/users/nsubiron","html_url":"https://github.com/nsubiron","followers_url":"https://api.github.com/users/nsubiron/followers","following_url":"https://api.github.com/users/nsubiron/following{/other_user}","gists_url":"https://api.github.com/users/nsubiron/gists{/gist_id}","starred_url":"https://api.github.com/users/nsubiron/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/nsubiron/subscriptions","organizations_url":"https://api.github.com/users/nsubiron/orgs","repos_url":"https://api.github.com/users/nsubiron/repos","events_url":"https://api.github.com/users/nsubiron/events{/privacy}","received_events_url":"https://api.github.com/users/nsubiron/received_events","type":"User","site_admin":false}],"milestone":null,"comments":0,"created_at":"2018-09-13T03:16:34Z","updated_at":"2018-09-13T16:50:41Z","closed_at":null,"author_association":"NONE","body":"My system is Ubuntu18.04. I've downloaded carla and UnrealEngine_4.19, when I make this project as instructions, I meet a problem.\r\n'make launch'  success, and there is UnrealEngine displaying.  When 'make package' , compile success, but there are link errors:\r\n[UnrealBuildTool-2018.09.13-11.01.45.txt](https://github.com/carla-simulator/carla/files/2377558/UnrealBuildTool-2018.09.13-11.01.45.txt)\r\n\r\nPerforming 1 actions (4 in parallel)\r\n  [1/1] Link (lld) CarlaUE4\r\n  /usr/lib/llvm-5.0/bin/ld.lld: error: undefined symbol: ACityMapGenerator::ACityMapGenerator(FObjectInitializer const&)\r\n>>> referenced by CarlaMapGenerator.cpp:11\r\n\r\nHow could I solve this problem?"},"comment":{"url":"https://api.github.com/repos/carla-simulator/carla/issues/comments/421075504","html_url":"https://github.com/carla-simulator/carla/issues/773#issuecomment-421075504","issue_url":"https://api.github.com/repos/carla-simulator/carla/issues/773","id":421075504,"node_id":"MDEyOklzc3VlQ29tbWVudDQyMTA3NTUwNA==","user":{"login":"nsubiron","id":4332953,"node_id":"MDQ6VXNlcjQzMzI5NTM=","avatar_url":"https://avatars2.githubusercontent.com/u/4332953?v=4","gravatar_id":"","url":"https://api.github.com/users/nsubiron","html_url":"https://github.com/nsubiron","followers_url":"https://api.github.com/users/nsubiron/followers","following_url":"https://api.github.com/users/nsubiron/following{/other_user}","gists_url":"https://api.github.com/users/nsubiron/gists{/gist_id}","starred_url":"https://api.github.com/users/nsubiron/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/nsubiron/subscriptions","organizations_url":"https://api.github.com/users/nsubiron/orgs","repos_url":"https://api.github.com/users/nsubiron/repos","events_url":"https://api.github.com/users/nsubiron/events{/privacy}","received_events_url":"https://api.github.com/users/nsubiron/received_events","type":"User","site_admin":false},"created_at":"2018-09-13T16:50:41Z","updated_at":"2018-09-13T16:50:41Z","author_association":"MEMBER","body":"That's odd, those are all functions present in the Carla plugin, somehow did not compile correctly? Have you modified anything in the configuration?\r\n\r\nAnd just to be sure, try doing a clean package, Unreal caches files and sometimes fails with weird things because it's caching something from a previous version.\r\n\r\n    make clean package"}}
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