After import of extractor no fields show in stream

Graylog Central (peer support)
3

2018-03-30T12:23:29.752-04:00 INFO [ExtractorsResource] Added extractor of type [regex] to input <5abe2cc24f617d71f6002cc4>.
2018-03-30T12:24:54.004-04:00 INFO [ExtractorsResource] Added extractor of type [regex] to input <5abe2cc24f617d71f6002cc4>.
2018-03-30T12:25:59.279-04:00 INFO [ExtractorsResource] Added extractor <07c189d0-3437-11e8-8681-005056b7d9d7> of type [regex] to input <5abe2cc24f617d71f6002cc4>.
2018-03-30T12:27:31.477-04:00 INFO [ExtractorsResource] Added extractor <3eb5fd40-3437-11e8-8681-005056b7d9d7> of type [split_and_index] to input <5abe2cc24f617d71f6002cc4>.
2018-03-30T12:29:04.166-04:00 INFO [ExtractorsResource] Added extractor <75f50e40-3437-11e8-8681-005056b7d9d7> of type [regex] to input <5abe2cc24f617d71f6002cc4>.
2018-03-30T12:29:55.665-04:00 INFO [ExtractorsResource] Added extractor <94a72df0-3437-11e8-8681-005056b7d9d7> of type [regex] to input <5abe2cc24f617d71f6002cc4>.
2018-03-30T12:30:44.763-04:00 INFO [ExtractorsResource] Added extractor of type [regex] to input <5abe2cc24f617d71f6002cc4>.
2018-03-30T12:32:17.073-04:00 INFO [ExtractorsResource] Added extractor of type [regex] to input <5abe2cc24f617d71f6002cc4>.
2018-03-30T12:33:10.589-04:00 INFO [ExtractorsResource] Added extractor <08d611a0-3438-11e8-8681-005056b7d9d7> of type [regex] to input <5abe2cc24f617d71f6002cc4>.
2018-03-30T12:34:17.736-04:00 INFO [ExtractorsResource] Added extractor <30dc0a60-3438-11e8-8681-005056b7d9d7> of type [regex] to input <5abe2cc24f617d71f6002cc4>.
2018-03-30T12:35:18.613-04:00 INFO [ExtractorsResource] Added extractor <55252230-3438-11e8-8681-005056b7d9d7> of type [regex] to input <5abe2cc24f617d71f6002cc4>.
2018-03-30T12:36:08.128-04:00 INFO [ExtractorsResource] Added extractor <72a8acf0-3438-11e8-8681-005056b7d9d7> of type [regex] to input <5abe2cc24f617d71f6002cc4>.
2018-03-30T12:37:01.172-04:00 INFO [ExtractorsResource] Added extractor <92466520-3438-11e8-8681-005056b7d9d7> of type [regex] to input <5abe2cc24f617d71f6002cc4>.
2018-03-30T12:38:53.279-04:00 INFO [ExtractorsResource] Added extractor of type [grok] to input <5abe2cc24f617d71f6002cc4>.
2018-03-30T12:39:45.104-04:00 INFO [ExtractorsResource] Added extractor of type [regex] to input <5abe2cc24f617d71f6002cc4>.
2018-03-30T12:41:08.403-04:00 INFO [ExtractorsResource] Added extractor <25a2da10-3439-11e8-8681-005056b7d9d7> of type [regex] to input <5abe2cc24f617d71f6002cc4>.
2018-03-30T12:42:24.112-04:00 INFO [ExtractorsResource] Added extractor <52c347f0-3439-11e8-8681-005056b7d9d7> of type [regex] to input <5abe2cc24f617d71f6002cc4>.
2018-03-30T12:43:09.211-04:00 INFO [ExtractorsResource] Added extractor <6da4b090-3439-11e8-8681-005056b7d9d7> of type [regex] to input <5abe2cc24f617d71f6002cc4>.
2018-03-30T12:43:58.948-04:00 INFO [ExtractorsResource] Added extractor <8b4a1b30-3439-11e8-8681-005056b7d9d7> of type [regex] to input <5abe2cc24f617d71f6002cc4>.
2018-03-30T12:44:43.186-04:00 INFO [ExtractorsResource] Added extractor of type [regex] to input <5abe2cc24f617d71f6002cc4>.