Error using Gsuite application scope for Gmail

@Pierre_PARIS wrote:

Hi all,

do you have any idea about the problem link to an error message like that ?

“Send Mail Message: Google.Apis.Requests.RequestError Precondition Failed [412] Errors [ Message[Precondition Failed] Location[If-Match - header] Reason[conditionNotMet] Domain[global] ]”

Thanks,

Pierre

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