Unexpected IndexNow Timeout Error

[Dzgsm]

Hi,
Despite removing http://www.bing.com/ping?sitemap={$url} from the "Automatically submit sitemap to search engines" setting, I am still getting a server error:

HTML:

GuzzleHttp\Exception\ConnectException: IndexNow connection error: 
cURL error 28: Connection timed out after 300001 milliseconds (see https://curl.haxx.se/libcurl/c/libcurl-errors.html) 
for...

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Unexpected IndexNow Timeout Error

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