diff --git a/README.md b/README.md
index 58898fb..499f083 100644
--- a/README.md
+++ b/README.md
@@ -119,19 +119,19 @@ sudo make compose-up
 - Default log file path
   - ./cm-damselfly/cmd/cm-damselfly/log/damselfly.log
 
-### Versions of packages applied to the released Damselfly
-
-| cm-damselfly | cm-model<BR>(OnpremInfraModel<BR>/SoftwareModel) | cb-tumblebug<BR>(CloudInfraModel) |
-|--------|--------|--------|
-| v0.2.0 | v0.0.3 | v0.9.16 |
-| v0.2.1 | v0.0.3 | v0.10.0 |
-| v0.2.2 | v0.0.3 | v0.10.0 |
-| v0.3.0 | v0.0.3 | v0.10.3 |
-| v0.3.1 | v0.0.10 | v0.11.2 |
-| v0.3.2 | v0.0.10 | v0.11.2 |
-| v0.3.3 | v0.0.11 | v0.11.3 |
-| v0.3.4 | v0.0.12 | v0.11.3 |
-| v0.3.5 | v0.0.13 | v0.11.9 |
+### Versions of models applied to the released Damselfly
+| **cm-damselfly** | **cm-model<BR>(OnpremInfraModel/CloudInfraModel/SoftwareModel)** |
+| :----: | :-----: |
+| v0.2.0 | v0.0.3 |
+| v0.2.1 | v0.0.3 |
+| v0.2.2 | v0.0.3 |
+| v0.3.0 | v0.0.3 |
+| v0.3.1 | v0.0.10 |
+| v0.3.2 | v0.0.10 |
+| v0.3.3 | v0.0.11 |
+| v0.3.4 | v0.0.12 |
+| v0.3.5 | v0.0.13 |
+| v0.3.6 | v0.0.14 |
 
 ### CM-Damselfly REST API user guide
 - Discussion link : [How to use and test CM-Damselfly APIs (with test examples)](https://github.com/cloud-barista/cm-damselfly/discussions/25)
diff --git a/cmd/cm-damselfly/go.mod b/cmd/cm-damselfly/go.mod
index 0174964..3681f6a 100644
--- a/cmd/cm-damselfly/go.mod
+++ b/cmd/cm-damselfly/go.mod
@@ -3,7 +3,7 @@ module github.com/cloud-barista/cm-damselfly
 go 1.23.0
 
 require (
-	github.com/cloud-barista/cm-model v0.0.13
+	github.com/cloud-barista/cm-model v0.0.14
 	github.com/labstack/echo/v4 v4.13.3
 	github.com/rs/zerolog v1.33.0
 	github.com/spf13/viper v1.19.0
@@ -14,7 +14,7 @@ require (
 
 require (
 	github.com/KyleBanks/depth v1.2.1 // indirect
-	github.com/cloud-barista/cb-tumblebug v0.11.9 // indirect
+	github.com/cloud-barista/cb-tumblebug v0.11.13 // indirect
 	github.com/fsnotify/fsnotify v1.7.0 // indirect
 	github.com/ghodss/yaml v1.0.0 // indirect
 	github.com/go-openapi/jsonpointer v0.21.0 // indirect
diff --git a/cmd/cm-damselfly/go.sum b/cmd/cm-damselfly/go.sum
index afe4484..fdd7bd0 100644
--- a/cmd/cm-damselfly/go.sum
+++ b/cmd/cm-damselfly/go.sum
@@ -8,6 +8,8 @@ github.com/cloud-barista/cb-tumblebug v0.11.3 h1:Bd8vsyPOBBfv/N+jZHpLPiEKpHX+UO+
 github.com/cloud-barista/cb-tumblebug v0.11.3/go.mod h1:rNsvfQxOyAhC4ZEeBb/zfajrFXU70D10wLTcRPiRhf0=
 github.com/cloud-barista/cb-tumblebug v0.11.9 h1:GgJZAk/cvrZZr8x6heKkCGD/QgNUBKpJRUsWtY5xXlo=
 github.com/cloud-barista/cb-tumblebug v0.11.9/go.mod h1:rNsvfQxOyAhC4ZEeBb/zfajrFXU70D10wLTcRPiRhf0=
+github.com/cloud-barista/cb-tumblebug v0.11.13 h1:KgNDnMiuBR9bo2VZbMasnUzrKIP/A/2CrhDG4cp+bWo=
+github.com/cloud-barista/cb-tumblebug v0.11.13/go.mod h1:rNsvfQxOyAhC4ZEeBb/zfajrFXU70D10wLTcRPiRhf0=
 github.com/cloud-barista/cm-model v0.0.10 h1:vGaYam3/VX8IvagHdtWx10ZgH36xZ+44Db2ZG/uSvA4=
 github.com/cloud-barista/cm-model v0.0.10/go.mod h1:gSuMhQxD813KIdSvkp8uGptYOeyDik749sYcICZjhj8=
 github.com/cloud-barista/cm-model v0.0.12-0.20250823152636-94d1ad552aa3 h1:n8ZjJxg9p7t6vrB1k1SQn+VARC/lDim+upUzI6saV7M=
@@ -16,6 +18,8 @@ github.com/cloud-barista/cm-model v0.0.12 h1:98+LJqDf/yBUkwd8fkkDGp20x6CtF064aC9
 github.com/cloud-barista/cm-model v0.0.12/go.mod h1:gSuMhQxD813KIdSvkp8uGptYOeyDik749sYcICZjhj8=
 github.com/cloud-barista/cm-model v0.0.13 h1:SOuFyTcszHAFpaojYcuSYMOXkjSRfQPqwlVsB8RvmgE=
 github.com/cloud-barista/cm-model v0.0.13/go.mod h1:gSuMhQxD813KIdSvkp8uGptYOeyDik749sYcICZjhj8=
+github.com/cloud-barista/cm-model v0.0.14 h1:WkfBZHRuzQmCxbvDNeuy+TQJQjZtjbLQ9gWB8XFffm0=
+github.com/cloud-barista/cm-model v0.0.14/go.mod h1:gSuMhQxD813KIdSvkp8uGptYOeyDik749sYcICZjhj8=
 github.com/coreos/go-systemd/v22 v22.5.0/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
diff --git a/docker-compose.yaml b/docker-compose.yaml
index 1d5960b..e9694cf 100644
--- a/docker-compose.yaml
+++ b/docker-compose.yaml
@@ -1,6 +1,6 @@
 services:
   cm-damselfly:
-    image: cloudbaristaorg/cm-damselfly:0.3.5
+    image: cloudbaristaorg/cm-damselfly:0.3.6
     container_name: cm-damselfly
     pull_policy: missing
     restart: always
diff --git a/go.mod b/go.mod
index 0174964..3681f6a 100644
--- a/go.mod
+++ b/go.mod
@@ -3,7 +3,7 @@ module github.com/cloud-barista/cm-damselfly
 go 1.23.0
 
 require (
-	github.com/cloud-barista/cm-model v0.0.13
+	github.com/cloud-barista/cm-model v0.0.14
 	github.com/labstack/echo/v4 v4.13.3
 	github.com/rs/zerolog v1.33.0
 	github.com/spf13/viper v1.19.0
@@ -14,7 +14,7 @@ require (
 
 require (
 	github.com/KyleBanks/depth v1.2.1 // indirect
-	github.com/cloud-barista/cb-tumblebug v0.11.9 // indirect
+	github.com/cloud-barista/cb-tumblebug v0.11.13 // indirect
 	github.com/fsnotify/fsnotify v1.7.0 // indirect
 	github.com/ghodss/yaml v1.0.0 // indirect
 	github.com/go-openapi/jsonpointer v0.21.0 // indirect
diff --git a/go.sum b/go.sum
index afe4484..fdd7bd0 100644
--- a/go.sum
+++ b/go.sum
@@ -8,6 +8,8 @@ github.com/cloud-barista/cb-tumblebug v0.11.3 h1:Bd8vsyPOBBfv/N+jZHpLPiEKpHX+UO+
 github.com/cloud-barista/cb-tumblebug v0.11.3/go.mod h1:rNsvfQxOyAhC4ZEeBb/zfajrFXU70D10wLTcRPiRhf0=
 github.com/cloud-barista/cb-tumblebug v0.11.9 h1:GgJZAk/cvrZZr8x6heKkCGD/QgNUBKpJRUsWtY5xXlo=
 github.com/cloud-barista/cb-tumblebug v0.11.9/go.mod h1:rNsvfQxOyAhC4ZEeBb/zfajrFXU70D10wLTcRPiRhf0=
+github.com/cloud-barista/cb-tumblebug v0.11.13 h1:KgNDnMiuBR9bo2VZbMasnUzrKIP/A/2CrhDG4cp+bWo=
+github.com/cloud-barista/cb-tumblebug v0.11.13/go.mod h1:rNsvfQxOyAhC4ZEeBb/zfajrFXU70D10wLTcRPiRhf0=
 github.com/cloud-barista/cm-model v0.0.10 h1:vGaYam3/VX8IvagHdtWx10ZgH36xZ+44Db2ZG/uSvA4=
 github.com/cloud-barista/cm-model v0.0.10/go.mod h1:gSuMhQxD813KIdSvkp8uGptYOeyDik749sYcICZjhj8=
 github.com/cloud-barista/cm-model v0.0.12-0.20250823152636-94d1ad552aa3 h1:n8ZjJxg9p7t6vrB1k1SQn+VARC/lDim+upUzI6saV7M=
@@ -16,6 +18,8 @@ github.com/cloud-barista/cm-model v0.0.12 h1:98+LJqDf/yBUkwd8fkkDGp20x6CtF064aC9
 github.com/cloud-barista/cm-model v0.0.12/go.mod h1:gSuMhQxD813KIdSvkp8uGptYOeyDik749sYcICZjhj8=
 github.com/cloud-barista/cm-model v0.0.13 h1:SOuFyTcszHAFpaojYcuSYMOXkjSRfQPqwlVsB8RvmgE=
 github.com/cloud-barista/cm-model v0.0.13/go.mod h1:gSuMhQxD813KIdSvkp8uGptYOeyDik749sYcICZjhj8=
+github.com/cloud-barista/cm-model v0.0.14 h1:WkfBZHRuzQmCxbvDNeuy+TQJQjZtjbLQ9gWB8XFffm0=
+github.com/cloud-barista/cm-model v0.0.14/go.mod h1:gSuMhQxD813KIdSvkp8uGptYOeyDik749sYcICZjhj8=
 github.com/coreos/go-systemd/v22 v22.5.0/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
diff --git a/pkg/api/rest/handler/cloud-user-model.go b/pkg/api/rest/handler/cloud-user-model.go
index 98a1a6b..d5c87c5 100644
--- a/pkg/api/rest/handler/cloud-user-model.go
+++ b/pkg/api/rest/handler/cloud-user-model.go
@@ -449,7 +449,7 @@ func GetOnPremModel(c echo.Context) error {
 					return c.JSON(http.StatusBadRequest, res)
 				}
 			} else {
-				newErr := fmt.Errorf("'isCloudModel' does not exist")
+				newErr := fmt.Errorf("'isCloudModel' does not exist. This is neither on-premise user model nor cloud user model.")
 				log.Warn().Msg(newErr.Error())
 				res := model.Response{
 					Success: false,
@@ -644,7 +644,7 @@ func UpdateOnPremModel(c echo.Context) error {
 					return c.JSON(http.StatusNotFound, newErr)
 				}
 			} else {
-				msg := "'isCloudModel' does not exist"
+				msg := "'isCloudModel' does not exist. This is neither on-premise user model nor cloud user model."
 				log.Error().Msg(msg)
 				newErr := errors.New(msg)
 				return c.JSON(http.StatusNotFound, newErr)
@@ -805,7 +805,7 @@ func DeleteOnPremModel(c echo.Context) error {
 					return c.JSON(http.StatusNotFound, newErr)
 				}
 			} else {
-				msg := "'isCloudModel' does not exist"
+				msg := "'isCloudModel' does not exist. This is neither on-premise user model nor cloud user model."
 				log.Error().Msg(msg)
 				newErr := errors.New(msg)
 				return c.JSON(http.StatusNotFound, newErr)
@@ -960,7 +960,7 @@ func GetCloudModel(c echo.Context) error {
 					return c.JSON(http.StatusNotFound, newErr)
 				}
 			} else {
-				msg := "'isCloudModel' does not exist"
+				msg := "'isCloudModel' does not exist. This is neither on-premise user model nor cloud user model."
 				log.Error().Msg(msg)
 				newErr := errors.New(msg)
 				return c.JSON(http.StatusNotFound, newErr)
@@ -1153,7 +1153,7 @@ func UpdateCloudModel(c echo.Context) error {
 
 				}
 			} else {
-				msg := "'isCloudModel' does not exist"
+				msg := "'isCloudModel' does not exist. This is neither on-premise user model nor cloud user model."
 				log.Error().Msg(msg)
 				newErr := errors.New(msg)
 				return c.JSON(http.StatusNotFound, newErr)
@@ -1297,7 +1297,7 @@ func DeleteCloudModel(c echo.Context) error {
 					return c.JSON(http.StatusNotFound, newErr)
 				}
 			} else {
-				msg := "'isCloudModel' does not exist"
+				msg := "'isCloudModel' does not exist. This is neither on-premise user model nor cloud user model."
 				log.Error().Msg(msg)
 				newErr := errors.New(msg)
 				return c.JSON(http.StatusNotFound, newErr)