WITSML Parser (Trajectory) - Error 500 on Post metadata - R3M8

I'm receiving the following error :

"Client failed to authenticate using SASL: PLAIN" and code : 500

After making the following call :

POST https://osdu-cpd-osdu.odi-osdu-og-fa7661852f2ab29a6be32f560b2f5573-0000.us-south.containers.appdomain.cloud/osdu-file/api/file/v2/files/metadata

• Given Authorization with Access/id token
• Given data-partition-id opendes
• Given Content-Type application/json
• Given x-ms-blob-type BlockBlob

Given body :

{
  "data" : {
    "TotalSize" : 5299.0,
    "Source" : "TNO Data Source",
    "Name" : "Trajectory DC",
    "Endian" : "BIG",
    "Description" : "Trajectory WITSML dataset",
    "DatasetProperties" : {
      "FileSourceInfo" : {
        "FileSource" : "567637002f924633833787511ab77dfa",
        "Name" : "trajectory_DC.xml",
        "PreloadFilePath" : "s3://oc-cpd-opendes-staging-bucket/567637002f924633833787511ab77dfa",
        "PreloadFileCreateUser" : null,
        "PreloadFileModifyDate" : 1631859302.437914453,
        "PreloadFileModifyUser" : null
      }
    }
  },
  "kind" : "opendes:wks:dataset--File.Generic:1.0.0",
  "acl" : {
    "viewers" : [ "data.default.viewers@opendes.ibm.com" ],
    "owners" : [ "data.default.owners@opendes.ibm.com" ]
  },
  "legal" : {
    "otherRelevantDataCountries" : [ "US" ],
    "status" : "compliant",
    "legaltags" : [ "opendes-Test-Legal-Tag-7292798" ]
  },
  "createUser" : null,
  "createTime" : 1631859302.433772431,
  "modifyUser" : null,
  "modifyTime" : 1631859302.437564058
}

It was working properly few days ago.

Another question : I see in the DAG that you generate the metadata if we don't provide it when you are triggering the witsml parser. What is the recommended way of doing ? Do you still allow the metaadata to be sent ?