AWS chunked encoding not supported

Grafana Configuration
1

I am trying to setup Loki in the Distributed Mode ..Facing this following error level=info ts=2026-05-12T06:31:16.082257826Z caller=reporter.go:169 msg=“failed to CAS cluster seed key” err="operation error S3: PutObject, https response error StatusCode: 501, RequestID: bom-1:KSA0SzWEfKZoecc96zkt3HQh2u4uGLJuQnHlIdklmN_UoUlO7hyTHOB2n4PAEfLL, HostID: , api error NotImplemented: AWS chunked encoding not supported.

Installation Method: HELM

Chart : grafana-community/loki

version 13.6.2

For the Object Storage i am using OCI ( Oracle Bucket ) the values.yaml is attached below

deploymentMode: Distributed
distributor:
replicas: 2
ingester:
replicas: 2
zoneAwareReplication:
enabled: false
compactor:
replicas: 1
indexGateway:
replicas: 1
ruler:
enabled: false
querier:
replicas: 1
queryFrontend:
replicas: 1
queryScheduler:
replicas: 1
lokiCanary:
enabled: false
test:
enabled: false
loki:
auth_enabled: false
storage:
bucketNames:
chunks: loki-beta
ruler: loki-beta
type: s3
s3:
s3: null
endpoint:
region: ap-mumbai-1
secretAccessKey:
accessKeyId: < key>
signatureVersion: v4
disable_dualstack: true
s3ForcePathStyle: true
insecure: true
http_config: {}
schemaConfig:
configs:

  • from: 2024-03-23
    store: tsdb
    object_store: s3
    schema: v13
    index:
    prefix: index_
    period: 24h
    backend:
    replicas: 0
    read:
    replicas: 0
    write:
    replicas: 0
    singleBinary:
    replicas: 0

Am I missing something ?