diff --git a/CHANGELOG.md b/CHANGELOG.md
index 555a82c..3d625d3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,7 @@
-## Version 1.6.11
+## Version 1.6.12
 
-## Bugfix
-- Remove tag "required" from field Value in AffinityRuleAddRequest, AntiAffinityRuleAddRequest, AffinityRuleRemoveRequest AntiAffinityRuleRemoveRequest in cloudapi/compute and cloudbroker/compute
\ No newline at end of file
+### Bugfix
+- Fix allowed network plugin value from "weawenet" to "weavenet" in validators for cloudapi/k8s, cloudbroker/k8s and cloudbroker/k8ci
+- Delete omitempty from json, url tags in field Permanently in model DeleteRequest in cloudbroker/k8ci and cloudbroker/k8s
+- Fix panic in SnapshotList method in cloudapi/bservice
+- Fix panic in AffinityGroupsList method in cloudapi/rg
\ No newline at end of file
diff --git a/client.go b/client.go
index 53e3b4e..5e4a66a 100644
--- a/client.go
+++ b/client.go
@@ -159,7 +159,7 @@ func (dc *DecortClient) do(req *http.Request, ctype string) ([]byte, error) {
 		return nil, err
 	}
 	defer resp.Body.Close()
-	
+
 	// handle successful request
 	respBytes, _ := io.ReadAll(resp.Body)
 	if resp.StatusCode == 200 {
@@ -174,7 +174,6 @@ func (dc *DecortClient) do(req *http.Request, ctype string) ([]byte, error) {
 func createK8sCloudApi(req k8s_ca.CreateRequest) (*bytes.Buffer, string) {
 	reqBody := &bytes.Buffer{}
 	writer := multipart.NewWriter(reqBody)
-	defer writer.Close()
 	if req.OidcCertificate != "" {
 		part, _ := writer.CreateFormFile("oidcCertificate", "ca.crt")
 		_, _ = io.Copy(part, strings.NewReader(req.OidcCertificate))
@@ -281,13 +280,14 @@ func createK8sCloudApi(req k8s_ca.CreateRequest) (*bytes.Buffer, string) {
 	_ = writer.WriteField("extnetOnly", strconv.FormatBool(req.ExtNetOnly))
 
 	ct := writer.FormDataContentType()
+	writer.Close()
+
 	return reqBody, ct
 }
 
 func createK8sCloudBroker(req k8s_cb.CreateRequest) (*bytes.Buffer, string) {
 	reqBody := &bytes.Buffer{}
 	writer := multipart.NewWriter(reqBody)
-	defer writer.Close()
 	if req.OidcCertificate != "" {
 		part, _ := writer.CreateFormFile("oidcCertificate", "ca.crt")
 		_, _ = io.Copy(part, strings.NewReader(req.OidcCertificate))
@@ -394,5 +394,7 @@ func createK8sCloudBroker(req k8s_cb.CreateRequest) (*bytes.Buffer, string) {
 	_ = writer.WriteField("extnetOnly", strconv.FormatBool(req.ExtNetOnly))
 
 	ct := writer.FormDataContentType()
+
+	writer.Close()
 	return reqBody, ct
 }
diff --git a/internal/validators/values.go b/internal/validators/values.go
index 3082426..c90843f 100644
--- a/internal/validators/values.go
+++ b/internal/validators/values.go
@@ -39,7 +39,7 @@ var (
 
 	sepFieldTypeValues = []string{"int", "str", "bool", "list", "dict"}
 
-	networkPluginValues = []string{"flannel", "weawenet", "calico"}
+	networkPluginValues = []string{"flannel", "weavenet", "calico"}
 
 	strictLooseValues = []string{"strict", "loose"}
 
diff --git a/legacy-client.go b/legacy-client.go
index 20795ff..07b07e4 100644
--- a/legacy-client.go
+++ b/legacy-client.go
@@ -156,11 +156,10 @@ func (ldc *LegacyDecortClient) do(req *http.Request, ctype string) ([]byte, erro
 		return nil, err
 	}
 	defer resp.Body.Close()
-	
 
 	// handle successful request
 	respBytes, err := io.ReadAll(resp.Body)
-	if err!= nil {
+	if err != nil {
 		return nil, err
 	}
 	if resp.StatusCode == 200 {
@@ -175,7 +174,6 @@ func (ldc *LegacyDecortClient) do(req *http.Request, ctype string) ([]byte, erro
 func createK8sCloudApiLegacy(req k8s_ca.CreateRequest, token string) (*bytes.Buffer, string) {
 	reqBody := &bytes.Buffer{}
 	writer := multipart.NewWriter(reqBody)
-	defer writer.Close()
 	if req.OidcCertificate != "" {
 		part, _ := writer.CreateFormFile("oidcCertificate", "ca.crt")
 		_, _ = io.Copy(part, strings.NewReader(req.OidcCertificate))
@@ -284,13 +282,14 @@ func createK8sCloudApiLegacy(req k8s_ca.CreateRequest, token string) (*bytes.Buf
 	_ = writer.WriteField("authkey", token)
 
 	ct := writer.FormDataContentType()
+	writer.Close()
+
 	return reqBody, ct
 }
 
 func createK8sCloudBrokerLegacy(req k8s_cb.CreateRequest, token string) (*bytes.Buffer, string) {
 	reqBody := &bytes.Buffer{}
 	writer := multipart.NewWriter(reqBody)
-	defer writer.Close()
 	if req.OidcCertificate != "" {
 		part, _ := writer.CreateFormFile("oidcCertificate", "ca.crt")
 		_, _ = io.Copy(part, strings.NewReader(req.OidcCertificate))
@@ -399,5 +398,7 @@ func createK8sCloudBrokerLegacy(req k8s_cb.CreateRequest, token string) (*bytes.
 	_ = writer.WriteField("authkey", token)
 
 	ct := writer.FormDataContentType()
+
+	writer.Close()
 	return reqBody, ct
 }
diff --git a/pkg/cloudapi/bservice/models.go b/pkg/cloudapi/bservice/models.go
index 4432780..7d6c0a6 100644
--- a/pkg/cloudapi/bservice/models.go
+++ b/pkg/cloudapi/bservice/models.go
@@ -169,6 +169,15 @@ type ItemSnapshot struct {
 }
 
 // List of Snapshots
+type ListInfoSnapshots struct {
+	// Data
+	Data ListSnapshots `json:"data"`
+
+	// EntryCount
+	EntryCount uint64 `json:"entryCount"`
+}
+
+// List of Snapshots inside RecordBasicService
 type ListSnapshots []ItemSnapshot
 
 // Main information about Group
diff --git a/pkg/cloudapi/bservice/snapshot_list.go b/pkg/cloudapi/bservice/snapshot_list.go
index efeba00..207a10f 100644
--- a/pkg/cloudapi/bservice/snapshot_list.go
+++ b/pkg/cloudapi/bservice/snapshot_list.go
@@ -16,7 +16,7 @@ type SnapshotListRequest struct {
 }
 
 // SnapshotList gets list existing snapshots of the Basic Service
-func (b BService) SnapshotList(ctx context.Context, req SnapshotListRequest) (ListSnapshots, error) {
+func (b BService) SnapshotList(ctx context.Context, req SnapshotListRequest) (*ListInfoSnapshots, error) {
 	err := validators.ValidateRequest(req)
 	if err != nil {
 		return nil, validators.ValidationErrors(validators.GetErrors(err))
@@ -29,12 +29,12 @@ func (b BService) SnapshotList(ctx context.Context, req SnapshotListRequest) (Li
 		return nil, err
 	}
 
-	list := ListSnapshots{}
+	list := ListInfoSnapshots{}
 
 	err = json.Unmarshal(res, &list)
 	if err != nil {
 		return nil, err
 	}
 
-	return list, nil
+	return &list, nil
 }
diff --git a/pkg/cloudapi/k8s/create.go b/pkg/cloudapi/k8s/create.go
index 8f42d25..6c65d97 100644
--- a/pkg/cloudapi/k8s/create.go
+++ b/pkg/cloudapi/k8s/create.go
@@ -29,7 +29,7 @@ type CreateRequest struct {
 	WorkerGroupName string `url:"workerGroupName" json:"workerGroupName" validate:"required,workerGroupName"`
 
 	// Network plugin
-	// Must be one of these values: flannel, weawenet, calico
+	// Must be one of these values: flannel, weavenet, calico
 	// Required: true
 	NetworkPlugin string `url:"networkPlugin" json:"networkPlugin" validate:"required,networkPlugin"`
 
diff --git a/pkg/cloudapi/rg/models.go b/pkg/cloudapi/rg/models.go
index 71849ec..887504d 100644
--- a/pkg/cloudapi/rg/models.go
+++ b/pkg/cloudapi/rg/models.go
@@ -331,9 +331,18 @@ type ItemAffinityGroupComputes struct {
 // List of affinity groups
 type ListAffinityGroupsComputes []ItemAffinityGroupComputes
 
+// Main information about
+type ItemAffinityGroup struct {
+	ID     uint64 `json:"id"`
+	NodeID uint64 `json:"node_id"`
+}
+
+// List of affinity group
+type ListAffinityGroup []ItemAffinityGroup
+
 type ListAffinityGroups struct {
 	// Data
-	Data []map[string][]uint64 `json:"data"`
+	Data []map[string]ListAffinityGroup `json:"data"`
 
 	// Entry count
 	EntryCount uint64 `json:"entryCount"`
diff --git a/pkg/cloudbroker/k8ci/create.go b/pkg/cloudbroker/k8ci/create.go
index 2b2d9b2..59a1beb 100644
--- a/pkg/cloudbroker/k8ci/create.go
+++ b/pkg/cloudbroker/k8ci/create.go
@@ -60,7 +60,7 @@ type CreateRequest struct {
 	MaxWorkerCount uint64 `url:"maxWorkerCount" json:"maxWorkerCount" validate:"required"`
 
 	// Network plugins
-	// Values of slice must be flannel, weawenet or calico
+	// Values of slice must be flannel, weavenet or calico
 	//Required: true
 	NetworkPlugins []string `url:"networkPlugins" json:"networkPlugins" validate:"required,networkPlugins"`
 }
diff --git a/pkg/cloudbroker/k8ci/delete.go b/pkg/cloudbroker/k8ci/delete.go
index f3393bc..413b922 100644
--- a/pkg/cloudbroker/k8ci/delete.go
+++ b/pkg/cloudbroker/k8ci/delete.go
@@ -16,7 +16,7 @@ type DeleteRequest struct {
 
 	// Delete permanently or not
 	// Required: false
-	Permanently bool `url:"permanently,omitempty" json:"permanently,omitempty"`
+	Permanently bool `url:"permanently" json:"permanently"`
 }
 
 // Delete deletes K8CI by ID
diff --git a/pkg/cloudbroker/k8s/create.go b/pkg/cloudbroker/k8s/create.go
index 5b02abc..55b417b 100644
--- a/pkg/cloudbroker/k8s/create.go
+++ b/pkg/cloudbroker/k8s/create.go
@@ -29,7 +29,7 @@ type CreateRequest struct {
 	WorkerGroupName string `url:"workerGroupName" json:"workerGroupName" validate:"required,workerGroupName"`
 
 	// Network plugin
-	// Must be one of these values: flunnel, weawenet, calico
+	// Must be one of these values: flannel, weavenet, calico
 	// Required: true
 	NetworkPlugin string `url:"networkPlugin" json:"networkPlugin" validate:"required,networkPlugin"`
 
diff --git a/pkg/cloudbroker/k8s/delete.go b/pkg/cloudbroker/k8s/delete.go
index af3a2ca..e05ba0c 100644
--- a/pkg/cloudbroker/k8s/delete.go
+++ b/pkg/cloudbroker/k8s/delete.go
@@ -17,7 +17,7 @@ type DeleteRequest struct {
 	// True if cluster is destroyed permanently.
 	// Otherwise it can be restored from recycle bin
 	// Required: false
-	Permanently bool `url:"permanently,omitempty" json:"permanently,omitempty"`
+	Permanently bool `url:"permanently" json:"permanently"`
 }
 
 // Delete deletes kubernetes cluster