Task: Error-Detect (source dataset: Relational-Tables)

Task: 
You are given a column of data from a table. Your job is to examine each value in the column, and identify if there is any clear data error in the column. An data error in the context of the column, can be values that are misspelled (typos), values that are formatted incorrectly, or values that are semantically incompatible with the rest of the column, etc., such that we can determine without ambiguity that such values are errors in the column. 

Since real-world data can vary widely in meaning and format, if you are uncertain whether a value is an error, please do not mark it as one. Only flag a value if you are confident that it is clearly a data error.

No explanation and return the final answer as a JSON object, {"obvious_error": "<CELL>"}. If you detect no error in the data, return {"obvious_error": null}.

Column:
| links.reddit_campaign                                                                         |
|:----------------------------------------------------------------------------------------------|
| https://www.reddit.com/r/spacex/comments/4pv7jl                                               |
| https://www.reddit.com/r/spacex/comments/5n2e10/echostar_23_launch_campaign_thread/           |
| https://www.reddit.com/r/spacex/comments/601ykx                                               |
| https://www.reddit.com/r/spacex/comments/64kguj/                                              |
| https://www.reddit.com/r/spacex/comments/68ul58/                                              |
| https://www.reddit.com/r/spacex/comments/6fw4yy/                                              |
| https://www.reddit.com/r/spacex/comments/6mrga2/crs12_launch_campaign_thread/                 |
| https://www.reddit.com/r/spacex/comments/6u6q1t/x37b_otv5_launch_campaign_thread/             |
| https://www.reddit.com/r/spacex/comments/73ttkd/koreasat_5a_launch_campaign_thread/           |
| https://www.reddit.com/r/spacex/comments/7bxg5a/crs13_launch_campaign_thread/                 |
| https://www.reddit.com/r/spacex/comments/7cgts7/iridium_next_constellation_mission_4_launch/  |
| https://www.reddit.com/r/spacex/comments/7895bo/zuma_launch_campaign_thread/                  |
| https://www.reddit.com/r/spacex/comments/7olw86/govsat1_ses16_launch_campaign_thread/         |
| https://www.reddit.com/r/spacex/comments/7hjp03/falcon_heavy_demo_launch_campaign_thread/     |
| https://www.reddit.com/r/spacex/comments/7qnflk/paz_microsat2a_2b_launch_campaign_thread/     |
| https://www.reddit.com/r/spacex/comments/7r5pyn/hispasat_30w6_launch_campaign_thread/         |
| https://www.reddit.com/r/spacex/comments/82njj5/iridium_next_constellation_mission_5_launch/  |
| https://www.reddit.com/r/spacex/comments/82op7a/crs14_launch_campaign_thread/                 |
| https://www.reddit.com/r/spacex/comments/88l46q/tess_launch_campaign_thread/                  |
| https://www.reddit.com/r/spacex/comments/8ffsgl/iridium6_gracefo_launch_campaign_thread/      |
| https://www.reddit.com/r/spacex/comments/8jv0ed/ses12_launch_campaign_thread/                 |
| https://www.reddit.com/r/spacex/comments/8pua1m/crs15_launch_campaign_thread/                 |
| https://www.reddit.com/r/spacex/comments/8w19yg/telstar_19v_launch_campaign_thread/           |
| https://www.reddit.com/r/spacex/comments/8v4wcm/iridium_next_constellation_mission_7_launch/  |
| https://www.reddit.com/r/spacex/comments/91gwfg/merah_putih_telkom4_launch_campaign_thread/   |
| https://www.reddit.com/r/spacex/comments/9fwj9o/saocom_1a_launch_campaign_thread/             |
| https://www.reddit.com/r/spacex/comments/a4516o/gps_iii2_launch_campaign_thread/              |
| https://www.reddit.com/r/spacex/comments/buq487/radarsat_constellation_launch_campaign_thread |
| https://www.reddit.com/r/spacex/comments/bw6aa8/stp2_launch_campaign_thread/                  |
| https://www.reddit.com/r/spacex/comments/c8k6g5/crs18_launch_campaign_thread                  |
| https://www.reddit.com/r/spacex/comments/cjaawx/amos17_launch_campaign_thread                 |
| https://www.reddit.com/r/spacex/comments/ek7eny/in_flight_abort_test_launch_campaign_thread   |
| https://www.reddit.com/r/spacex/comments/ezn6n0/crs20_launch_campaign_thread                  |
| https://www.reddit.com/r/spacex/comments/f8awv0/starlink5_launch_campaign_thread/             |
| https://www.reddit.com/r/spacex/comments/gamcbr/starlink7_launch_campaign_thread/             |
| https://www.reddit.com/r/spacex/comments/4gyh8z                                               |
| https://www.reddit.com/r/spacex/comments/4hjz4k                                               |
| https://www.reddit.com/r/spacex/comments/4ksdy3                                               |
| https://www.reddit.com/r/spacex/comments/4ksedl                                               |
| https://www.reddit.com/r/spacex/comments/4pv6ws                                               |
| https://www.reddit.com/r/spacex/comments/5dii6z                                               |
| https://www.reddit.com/r/spacex/comments/5n2eqx                                               |
| https://www.reddit.com/r/spacex/comments/5sjrzj/ses10_launch_campaign_thread/                 |
| https://www.reddit.com/r/spacex/comments/69hhkm/bulgariasat1_launch_campaign_thread/          |
| https://www.reddit.com/r/spacex/comments/6bp4fj/                                              |
| https://www.reddit.com/r/spacex/comments/6o98st                                               |
| https://www.reddit.com/r/spacex/comments/6ygwxw/iridium_next_constellation_mission_3_launch/  |
| https://www.reddit.com/r/spacex/comments/6yvn64/ses11echostar_105_launch_campaign_thread/     |
| https://www.reddit.com/r/spacex/comments/8624iq/bangabandhu1_launch_campaign_thread/          |
| https://www.reddit.com/r/spacex/comments/95cte4/telstar_18v_apstar_5c_launch_campaign_thread/ |
| https://www.reddit.com/r/spacex/comments/9p82jt/eshail_2_launch_campaign_thread/              |
| https://www.reddit.com/r/spacex/comments/9raysi/ssoa_launch_campaign_thread                   |
| https://www.reddit.com/r/spacex/comments/9z7i4j/crs16_launch_campaign_thread/                 |
| https://www.reddit.com/r/spacex/comments/a699fh/iridium_next_constellation_mission_8_launch/  |
| https://www.reddit.com/r/spacex/comments/afxyrd/nusantara_satu_launch_campaign_thread/        |
| https://www.reddit.com/r/spacex/comments/a65clm/dm1_launch_campaign_thread/                   |
| https://www.reddit.com/r/spacex/comments/b0kscl/arabsat6a_launch_campaign_thread/             |
| https://new.reddit.com/r/spacex/comments/bd2l28/crs17_launch_campaign_thread/                 |
| https://www.reddit.com/comments/bjybrl                                                        |
| https://www.reddit.com/r/spacex/comments/dgqcb6/2nd_starlink_mission_launch_campaign_thread   |
| https://www.reddit.com/r/spacex/comments/e0upb3/crs19_launch_campaign_thread/                 |
| https://www.reddit.com/r/spacex/comments/e5w6i8/jcsat18kacific1_launch_campaign_thread        |
| https://www.reddit.com/r/spacex/comments/efqnvg/starlink2_launch_campaign_thread              |
| https://www.reddit.com/r/spacex/comments/eof5pr/starlink3_launch_campaign_thread/             |
| https://www.reddit.com/r/spacex/comments/ex0ilm/starlink4_launch_campaign_thread/             |
| https://www.reddit.com/r/spacex/comments/fxkc7k/starlink6_launch_campaign_thread/             |
| https://www.reddit.com/r/spacex/comments/fjf6rr/dm2_launch_campaign_thread/                   |
| https://www.reddit.com/r/spacex/comments/gwbr4t/starlink8_launch_campaign_thread/             |
| https://www.reddit.com/r/spacex/comments/gzeshn/gps_iii_sv03_launch_campaign_thread/          |
| https://www.reddit.com/r/spacex/comments/hkbhqo/anasisii_launch_campaign_thread/              |