I was referring to my posts in this thread
The Crash Uploader file contained three entries repeated over and over
May 15, 2020 16:08:07.390 [7552] DEBUG - HTTP requesting POST https://sentry.io/api/1233455/minidump?sentry_key=xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
May 15, 2020 16:08:08.134 [7552] DEBUG - HTTP 429 response from POST https://sentry.io/api/1233455/minidump?sentry_key=xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
May 15, 2020 16:08:08.134 [7552] ERROR - Failed to upload crashdump 030b35d9-114d-4013-a86f-c4bff92afa96: 429
