I have a scheduled job that does some bulk indexing, it succeeds with with some rounds but then this exception occurs. Anyone seen it and have some pointers?

<PackageReference Include="EPiServer.Find.Cms" Version="16.4.0" />

EPiServer.Find.ServiceException: An error occurred while sending the request.
---> System.Net.Http.HttpRequestException: An error occurred while sending the request.
---> System.IO.IOException: The decryption operation failed, see inner exception.
---> System.ComponentModel.Win32Exception (0x8009030F): The message or signature supplied for verification has been altered
 --- End of inner exception stack trace ---
 at System.Net.Security.SslStream.ReadAsyncInternal[TIOAdapter](Memory`1 buffer, CancellationToken cancellationToken)
 at System.Runtime.CompilerServices.PoolingAsyncValueTaskMethodBuilder`1.StateMachineBox`1.System.Threading.Tasks.Sources.IValueTaskSource<TResult>.GetResult(Int16 token)
 at System.Net.Http.HttpConnection.SendAsync(HttpRequestMessage request, Boolean async, CancellationToken cancellationToken)
 --- End of inner exception stack trace ---
 at System.Net.Http.HttpConnection.SendAsync(HttpRequestMessage request, Boolean async, CancellationToken cancellationToken)
 at System.Net.Http.HttpConnectionPool.SendWithVersionDetectionAndRetryAsync(HttpRequestMessage request, Boolean async, Boolean doRequestAuth, CancellationToken cancellationToken)
 at System.Net.Http.DiagnosticsHandler.SendAsyncCore(HttpRequestMessage request, Boolean async, CancellationToken cancellationToken)
 at System.Net.Http.RedirectHandler.SendAsync(HttpRequestMessage request, Boolean async, CancellationToken cancellationToken)
 at System.Net.Http.DecompressionHandler.SendAsync(HttpRequestMessage request, Boolean async, CancellationToken cancellationToken)
 at Microsoft.Extensions.Http.Logging.LoggingHttpMessageHandler.<SendCoreAsync>g__Core|5_0(HttpRequestMessage request, Boolean useAsync, CancellationToken cancellationToken)
 at Microsoft.Extensions.Http.Logging.LoggingScopeHttpMessageHandler.<SendCoreAsync>g__Core|5_0(HttpRequestMessage request, Boolean useAsync, CancellationToken cancellationToken)
 at System.Net.Http.HttpClient.<SendAsync>g__Core|83_0(HttpRequestMessage request, HttpCompletionOption completionOption, CancellationTokenSource cts, Boolean disposeCts, CancellationTokenSource pendingRequestsCts, CancellationToken originalCancellationToken)
 at EPiServer.Find.Connection.JsonRequest.GetResponseStream()
 at EPiServer.Find.Api.Command.GetResponseAsync[TResult](IJsonRequest request)
 --- End of inner exception stack trace ---
 at EPiServer.Find.Api.Command.GetResponseAsync[TResult](IJsonRequest request)
 at EPiServer.Find.Api.CommandBase`3.ExecuteAsync(IJsonRequest request)
 at EPiServer.Find.Api.CommandBase`3.ExecuteAsync()
 at EPiServer.Find.Client.Index[TActionBase](IEnumerable objectsToIndex, Boolean deleteLanguageRoutingDuplicatesOnIndex, Func`3 createDeleteAction, Func`4 createIndexAction, Func`2 getResult)
 at EPiServer.Find.Client.IndexDirectly(IEnumerable objectsToIndex, Boolean deleteLanguageRoutingDuplicatesOnIndex)