Yesterday its happened with me!
2024-01-04 23:57:33 CL650[waas_api.c:205]: Failed to download WAAS API data: server responded with error 400 (Bad Request)
8:06:09.951 E/SYS: MACIBM_alert: flt_to_str NaN
8:06:09.951 E/SYS: MACIBM_alert: v=NaN
8:06:09.951 E/SYS: MACIBM_alert:
8:06:09.951 E/SYS: MACIBM_alert:
8:06:09.951 E/SYS: MACIBM_alert: C:\GitLab-Runner\builds\2dtum6M9\0\x-plane\design\source_code\core\types\hl_string.cpp:519
2024-01-04 23:58:09 CL650[curl_util.c:260]: Unable to download https://www.celestrak.com/NORAD/elements/iridium-NEXT.txt: server responded with HTTP error 403 (Forbidden)
2024-01-04 23:58:09 CL650[ics220a.c:573]: Failed to download Iridium-NEXT NORAD track file, will retry in 60 seconds
2024-01-04 23:58:27 CL650[gps4000s.c:2940]: WAAS data download successful
2024-01-04 23:59:10 CL650[curl_util.c:260]: Unable to download https://www.celestrak.com/NORAD/elements/iridium-NEXT.txt: server responded with HTTP error 403 (Forbidden)
2024-01-04 23:59:10 CL650[ics220a.c:573]: Failed to download Iridium-NEXT NORAD track file, will retry in 60 seconds
2024-01-05 00:00:11 CL650[curl_util.c:260]: Unable to download https://www.celestrak.com/NORAD/elements/iridium-NEXT.txt: server responded with HTTP error 403 (Forbidden)
2024-01-05 00:00:11 CL650[ics220a.c:573]: Failed to download Iridium-NEXT NORAD track file, will retry in 60 seconds
2024-01-05 00:00:34 CL650[waas_api.c:205]: Failed to download WAAS API data: server responded with error 400 (Bad Request)
--=={This application has crashed!}==--
--=={FILE: D:\Steam\steamapps\common\X-Plane 12\Log_ATC.txt}==--
2024-01-05 00:01:12 CL650[curl_util.c:260]: Unable to download https://www.celestrak.com/NORAD/elements/iridium-NEXT.txt: server responded with HTTP error 403 (Forbidden)
2024-01-05 00:01:12 CL650[ics220a.c:573]: Failed to download Iridium-NEXT NORAD track file, will retry in 60 seconds