diff --git a/code/go/0chain.net/blobbercore/handler/handler_common.go b/code/go/0chain.net/blobbercore/handler/handler_common.go
index e523cee42..e37e9d41d 100644
--- a/code/go/0chain.net/blobbercore/handler/handler_common.go
+++ b/code/go/0chain.net/blobbercore/handler/handler_common.go
@@ -189,11 +189,13 @@ func WithStatusConnectionForWM(handler common.StatusCodeResponderF) common.Statu
 
 		if blobberRes, ok := resp.(*blobberhttp.CommitResult); ok {
 			// Save the write marker data
-			writemarker.SaveMarkerData(allocationID, blobberRes.WriteMarker.WM.Timestamp, blobberRes.WriteMarker.WM.ChainLength)
-			trie := blobberRes.Trie
-			if trie != nil {
-				_ = trie.DeleteNodes()
-				blobberRes.Trie = nil
+			if blobberRes.WriteMarker != nil {
+				writemarker.SaveMarkerData(allocationID, blobberRes.WriteMarker.WM.Timestamp, blobberRes.WriteMarker.WM.ChainLength)
+				trie := blobberRes.Trie
+				if trie != nil {
+					_ = trie.DeleteNodes()
+					blobberRes.Trie = nil
+				}
 			}
 		} else {
 			Logger.Error("Invalid response type for commit handler")
diff --git a/code/go/0chain.net/blobbercore/handler/object_operation_handler.go b/code/go/0chain.net/blobbercore/handler/object_operation_handler.go
index 888e7d963..29afc3bc5 100644
--- a/code/go/0chain.net/blobbercore/handler/object_operation_handler.go
+++ b/code/go/0chain.net/blobbercore/handler/object_operation_handler.go
@@ -646,13 +646,17 @@ func (fsh *StorageHandler) CommitWrite(ctx context.Context, r *http.Request) (*b
 		Logger.Error("Error checking pending markers", zap.Error(err))
 		return nil, common.NewError("pending_markers", "previous marker is still pending to be redeemed")
 	}
-
+	var result blobberhttp.CommitResult
 	connectionObj, err := allocation.GetAllocationChanges(ctx, connectionID, allocationID, clientID)
 	if err != nil {
 		// might be good to check if blobber already has stored writemarker
 		return nil, common.NewErrorf("invalid_parameters",
 			"Invalid connection id. Connection id was not found: %v", err)
 	}
+	if connectionObj.Status == allocation.CommittedConnection {
+		result.Success = true
+		return &result, nil
+	}
 	if len(connectionObj.Changes) == 0 {
 		if connectionObj.Status == allocation.NewConnection {
 			return nil, common.NewError("invalid_parameters",
@@ -680,7 +684,6 @@ func (fsh *StorageHandler) CommitWrite(ctx context.Context, r *http.Request) (*b
 			err)
 	}
 
-	var result blobberhttp.CommitResult
 	var latestWriteMarkerEntity *writemarker.WriteMarkerEntity
 	if allocationObj.AllocationRoot == "" {
 		latestWriteMarkerEntity = nil
@@ -867,7 +870,6 @@ func (fsh *StorageHandler) CommitWrite(ctx context.Context, r *http.Request) (*b
 
 	//Delete connection object and its changes
 
-	db.Delete(connectionObj)
 	go allocation.DeleteConnectionObjEntry(connectionID)
 	go AddWriteMarkerCount(clientID, connectionObj.Size <= 0)
 
@@ -936,13 +938,17 @@ func (fsh *StorageHandler) CommitWriteV2(ctx context.Context, r *http.Request) (
 		Logger.Error("Error checking pending markers", zap.Error(err))
 		return nil, common.NewError("pending_markers", "previous marker is still pending to be redeemed")
 	}
-
+	var result blobberhttp.CommitResult
 	connectionObj, err := allocation.GetAllocationChanges(ctx, connectionID, allocationID, clientID)
 	if err != nil {
 		// might be good to check if blobber already has stored writemarker
 		return nil, common.NewErrorf("invalid_parameters",
 			"Invalid connection id. Connection id was not found: %v", err)
 	}
+	if connectionObj.Status == allocation.CommittedConnection {
+		result.Success = true
+		return &result, nil
+	}
 	if len(connectionObj.Changes) == 0 {
 		if connectionObj.Status == allocation.NewConnection {
 			return nil, common.NewError("invalid_parameters",
@@ -970,7 +976,6 @@ func (fsh *StorageHandler) CommitWriteV2(ctx context.Context, r *http.Request) (
 			err)
 	}
 
-	var result blobberhttp.CommitResult
 	var latestWriteMarkerEntity *writemarker.WriteMarkerEntity
 	if allocationObj.AllocationRoot == "" {
 		latestWriteMarkerEntity = nil
@@ -1193,8 +1198,6 @@ func (fsh *StorageHandler) CommitWriteV2(ctx context.Context, r *http.Request) (
 	commitSuccess = true
 
 	//Delete connection object and its changes
-
-	db.Delete(connectionObj)
 	go allocation.DeleteConnectionObjEntry(connectionID)
 	go AddWriteMarkerCount(clientID, connectionObj.Size <= 0)
 
diff --git a/go.mod b/go.mod
index e57c325af..1910ed238 100644
--- a/go.mod
+++ b/go.mod
@@ -6,7 +6,7 @@ toolchain go1.22.5
 
 require (
 	github.com/0chain/errors v1.0.3
-	github.com/0chain/gosdk v1.18.14
+	github.com/0chain/gosdk v1.18.15
 	github.com/DATA-DOG/go-sqlmock v1.5.0
 	github.com/didip/tollbooth/v6 v6.1.2
 	github.com/go-openapi/runtime v0.26.0
diff --git a/go.sum b/go.sum
index fa62e5af4..b6f2abfff 100644
--- a/go.sum
+++ b/go.sum
@@ -40,8 +40,8 @@ github.com/0chain/common v1.18.3 h1:42dYOv2KyMTSanuS67iDtfv+ErbSRqR8NJ3MG72MwaI=
 github.com/0chain/common v1.18.3/go.mod h1:Lapu2Tj7z5Sm4r+X141e7vsz4NDODTEypeElYAP3iSw=
 github.com/0chain/errors v1.0.3 h1:QQZPFxTfnMcRdt32DXbzRQIfGWmBsKoEdszKQDb0rRM=
 github.com/0chain/errors v1.0.3/go.mod h1:xymD6nVgrbgttWwkpSCfLLEJbFO6iHGQwk/yeSuYkIc=
-github.com/0chain/gosdk v1.18.14 h1:N/PwLmUVQe1qM0eDuEDSQRB97a03Fp+I5W67cF0Zgsw=
-github.com/0chain/gosdk v1.18.14/go.mod h1:8unFy9Dx2YyPKMYPDGR3MFhUEymbAfQcRDm9bobVLGw=
+github.com/0chain/gosdk v1.18.15 h1:jujBBRAv2xendebjdoC6nMmoVl5w+uhDrKBqokIvxKI=
+github.com/0chain/gosdk v1.18.15/go.mod h1:8unFy9Dx2YyPKMYPDGR3MFhUEymbAfQcRDm9bobVLGw=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
 github.com/DATA-DOG/go-sqlmock v1.5.0 h1:Shsta01QNfFxHCfpW6YH2STWB0MudeXXEWMr20OEh60=