We are running load test with MongoDB V3.6.5 and below mentioned error is thrown when reading the binary file from GridFS.

Type:GridFSChunkException,Message:GridFS chunk 0 of file id 001f7c182018061320020001 is missing.
場所 MongoDB.Driver.GridFS.GridFSForwardOnlyDownloadStream`1.ProcessNextBatch(List`1 batch)
場所 MongoDB.Driver.GridFS.GridFSForwardOnlyDownloadStream`1.GetNextBatch(CancellationToken cancellationToken)
場所 MongoDB.Driver.GridFS.GridFSForwardOnlyDownloadStream`1.GetFirstBatch(CancellationToken cancellationToken)
場所 MongoDB.Driver.GridFS.GridFSForwardOnlyDownloadStream`1.GetSegment(CancellationToken cancellationToken)
場所 MongoDB.Driver.GridFS.GridFSForwardOnlyDownloadStream`1.Read(Byte[] buffer, Int32 offset, Int32 count)

Please help on this