This is what it reads but I do not understand why.
[2016-10-10 17:40:20][INFO][mode: settings][stage: integrity check][step: Settings Step]: started
100% [============================] Remaining Time: 1 sec
[2016-10-10 17:40:20][ERROR]: Integrity check failed due to "core_config_data" document does not exist in the source resource [2016-10-10 17:40:20][INFO][mode: settings][stage: integrity check][step: Stores Step]: started
100% [============================] Remaining Time: 1 sec
[Migration\Exception] Integrity Check failed migrate:settings [-r|--reset] config