diff --git a/ecstore/src/config/error.rs b/ecstore/src/config/error.rs
index 27518aef9..80038c9da 100644
--- a/ecstore/src/config/error.rs
+++ b/ecstore/src/config/error.rs
@@ -1,4 +1,4 @@
-use crate::{disk, error::Error};
+use crate::{disk, error::Error, store_err::is_err_object_not_found};
 
 #[derive(Debug, thiserror::Error)]
 pub enum ConfigError {
@@ -20,6 +20,8 @@ pub fn is_not_found(err: &Error) -> bool {
         ConfigError::is_not_found(e)
     } else if let Some(e) = err.downcast_ref::<disk::error::DiskError>() {
         matches!(e, disk::error::DiskError::FileNotFound)
+    } else if is_err_object_not_found(err) {
+        return true;
     } else {
         false
     }
diff --git a/ecstore/src/disk/remote.rs b/ecstore/src/disk/remote.rs
index 5d87fb5e9..1e7171635 100644
--- a/ecstore/src/disk/remote.rs
+++ b/ecstore/src/disk/remote.rs
@@ -7,7 +7,7 @@ use protos::{
         CheckPartsRequest, DeletePathsRequest, DeleteRequest, DeleteVersionRequest, DeleteVersionsRequest, DeleteVolumeRequest,
         DiskInfoRequest, ListDirRequest, ListVolumesRequest, MakeVolumeRequest, MakeVolumesRequest, NsScannerRequest,
         ReadAllRequest, ReadMultipleRequest, ReadVersionRequest, ReadXlRequest, RenameDataRequest, RenameFileRequst,
-        StatVolumeRequest, UpdateMetadataRequest, VerifyFileRequest, WalkDirRequest, WriteAllRequest, WriteMetadataRequest,
+        StatVolumeRequest, UpdateMetadataRequest, VerifyFileRequest, WriteAllRequest, WriteMetadataRequest,
     },
 };
 use tokio::{
@@ -21,8 +21,8 @@ use uuid::Uuid;
 
 use super::{
     endpoint::Endpoint, CheckPartsResp, DeleteOptions, DiskAPI, DiskInfo, DiskInfoOptions, DiskLocation, DiskOption,
-    FileInfoVersions, FileReader, FileWriter, MetaCacheEntry, ReadMultipleReq, ReadMultipleResp, ReadOptions, RemoteFileReader,
-    RemoteFileWriter, RenameDataResp, UpdateMetadataOpts, VolumeInfo, WalkDirOptions,
+    FileInfoVersions, FileReader, FileWriter, ReadMultipleReq, ReadMultipleResp, ReadOptions, RemoteFileReader, RemoteFileWriter,
+    RenameDataResp, UpdateMetadataOpts, VolumeInfo, WalkDirOptions,
 };
 use crate::{
     disk::error::DiskError,
diff --git a/iam/src/manager.rs b/iam/src/manager.rs
index a58aa8b15..efe57c779 100644
--- a/iam/src/manager.rs
+++ b/iam/src/manager.rs
@@ -7,6 +7,7 @@ use std::{
     time::Duration,
 };
 
+use ecstore::store_err::is_err_object_not_found;
 use log::debug;
 use time::OffsetDateTime;
 use tokio::{
@@ -113,7 +114,7 @@ where
     async fn save_iam_formatter(self: Arc<Self>) -> crate::Result<()> {
         match self.api.load_iam_config::<Format>(Format::PATH).await {
             Ok((format, _)) if format.version >= 1 => return Ok(()),
-            Err(Error::EcstoreError(e)) if !ecstore::disk::error::is_err_file_not_found(&e) => {
+            Err(Error::EcstoreError(e)) if !is_err_object_not_found(&e) => {
                 return Err(Error::EcstoreError(e));
             }
             _ => {}
diff --git a/iam/src/store/object.rs b/iam/src/store/object.rs
index c2b886141..a3ea78b99 100644
--- a/iam/src/store/object.rs
+++ b/iam/src/store/object.rs
@@ -60,8 +60,13 @@ impl ObjectStore {
 
                 match items {
                     Ok(items) => Result::<_, crate::Error>::Ok(items.prefixes),
-                    Err(e) if is_not_found(&e) => Result::<_, crate::Error>::Ok(vec![]),
-                    Err(e) => Err(Error::StringError(format!("list {prefix} failed, err: {e:?}"))),
+                    Err(e) => {
+                        if is_not_found(&e) {
+                            Result::<_, crate::Error>::Ok(vec![])
+                        } else {
+                            Err(Error::StringError(format!("list {prefix} failed, err: {e:?}")))
+                        }
+                    }
                 }
             });
         }