diff --git a/src/components/floor-plan/modal/circuitTrestle/CircuitTrestleSetting.jsx b/src/components/floor-plan/modal/circuitTrestle/CircuitTrestleSetting.jsx
index 3d473156..bfc4949a 100644
--- a/src/components/floor-plan/modal/circuitTrestle/CircuitTrestleSetting.jsx
+++ b/src/components/floor-plan/modal/circuitTrestle/CircuitTrestleSetting.jsx
@@ -193,7 +193,7 @@ export default function CircuitTrestleSetting({ id }) {
 
   // 사용된 모듈아이템 목록
   const getUseModuleItemList = () => {
-    return selectedModules.itemList.map((m) => {
+    return selectedModules?.itemList?.map((m) => {
       return {
         itemId: m.itemId,
         mixMatlNo: m.mixMatlNo,
diff --git a/src/components/floor-plan/modal/circuitTrestle/step/StepUp.jsx b/src/components/floor-plan/modal/circuitTrestle/step/StepUp.jsx
index 804a2770..8726f012 100644
--- a/src/components/floor-plan/modal/circuitTrestle/step/StepUp.jsx
+++ b/src/components/floor-plan/modal/circuitTrestle/step/StepUp.jsx
@@ -121,6 +121,7 @@ export default function StepUp(props) {
                       name: 'circuitNumber',
                       parentId: targetModule.id,
                       circuitInfo: module.pcsItemId,
+                      selectable: false,
                       visible: isDisplayCircuitNumber,
                     })
                     targetModule.circuit = moduleCircuitText
diff --git a/src/components/floor-plan/modal/circuitTrestle/step/type/PassivityCircuitAllocation.jsx b/src/components/floor-plan/modal/circuitTrestle/step/type/PassivityCircuitAllocation.jsx
index c20c995b..e632882b 100644
--- a/src/components/floor-plan/modal/circuitTrestle/step/type/PassivityCircuitAllocation.jsx
+++ b/src/components/floor-plan/modal/circuitTrestle/step/type/PassivityCircuitAllocation.jsx
@@ -139,6 +139,7 @@ export default function PassivityCircuitAllocation(props) {
           originX: 'center',
           originY: 'center',
           name: 'circuitNumber',
+          selectable: false,
           parentId: obj.id,
           circuitInfo: selectedPcs,
           visible: isDisplayCircuitNumber,
diff --git a/src/hooks/module/useModule.js b/src/hooks/module/useModule.js
index 2018d0fc..ad032d15 100644
--- a/src/hooks/module/useModule.js
+++ b/src/hooks/module/useModule.js
@@ -882,6 +882,14 @@ export function useModule() {
 
   const modulesRemove = () => {
     const activeModule = canvas.getObjects().filter((obj) => canvas.getActiveObjects()[0].id === obj.id)[0]
+    if (activeModule.circuit) {
+      swalFire({
+        title: getMessage('can.not.remove.module'),
+        icon: 'error',
+        type: 'alert',
+      })
+      return
+    }
     const modules = canvas
       .getObjects()
       .filter((obj) => obj.surfaceId === activeModule.surfaceId && obj.name === POLYGON_TYPE.MODULE && activeModule.id !== obj.id)
diff --git a/src/hooks/useContextMenu.js b/src/hooks/useContextMenu.js
index 9892788a..bb3c1683 100644
--- a/src/hooks/useContextMenu.js
+++ b/src/hooks/useContextMenu.js
@@ -176,6 +176,7 @@ export function useContextMenu() {
               shortcut: ['d', 'D'],
               name: `${getMessage('contextmenu.auxiliary.remove')}(D)`,
               fn: () => {
+                if (!currentObject) return
                 const roof = canvas.getObjects().filter((obj) => obj.id === currentObject.attributes.roofId)[0]
                 const innerLines = roof.innerLines?.filter((line) => currentObject.id !== line.id)
                 roof.innerLines = [...innerLines]
@@ -187,6 +188,7 @@ export function useContextMenu() {
               id: 'auxiliaryVerticalBisector',
               name: getMessage('contextmenu.auxiliary.vertical.bisector'),
               fn: () => {
+                if (!currentObject) return
                 const slope = (currentObject.y2 - currentObject.y1) / (currentObject.x2 - currentObject.x1)
                 const length = currentObject.length