diff --git a/src/hooks/module/useTrestle.js b/src/hooks/module/useTrestle.js
index e4ee52a8..f8bc9901 100644
--- a/src/hooks/module/useTrestle.js
+++ b/src/hooks/module/useTrestle.js
@@ -90,9 +90,13 @@ export const useTrestle = () => {
 
         let rackInfos = []
         if (rack) {
+          console.log('Original rack data:', rack)
           rackInfos = Object.keys(rack).map((key) => {
             return { key, value: rack[key] }
           })
+          console.log('Processed rackInfos:', rackInfos)
+        } else {
+          console.log('Rack is null or undefined')
         }
 
         // 모듈들의 centerPoint들을 이용해 각 모듈의 정보(가장 아랫라인 모듈, 가장 윗라인 모듈, 접면, 반접면 등 계산)
@@ -451,6 +455,16 @@ export const useTrestle = () => {
           })?.value.racks
 
           mostRowsModule = Math.max(leftRows, rightRows, centerRows, mostRowsModule)
+          console.log('=== Debug rackInfos ===')
+          console.log('rackInfos:', rackInfos)
+          console.log('leftRowsInfo:', leftRowsInfo)
+          console.log('rightRowsInfo:', rightRowsInfo)
+          console.log('centerRowsInfo:', centerRowsInfo)
+          console.log('leftRacks:', leftRacks)
+          console.log('rightRacks:', rightRacks)
+          console.log('centerRacks:', centerRacks)
+          console.log('rackYn:', rackYn)
+          console.log('========================')
 
           if (rackYn === 'Y') {
             drawRacks(leftRacks, rackQty, rackIntvlPct, module, direction, 'L', rackYn)
@@ -1082,14 +1096,19 @@ export const useTrestle = () => {
   const drawRacks = (rackInfos, rackQty, rackIntvlPct, module, direction, l, rackYn) => {
     const { width, height, left, top, lastX, lastY, surfaceId } = module
     const surface = canvas.getObjects().find((obj) => obj.id === surfaceId)
-    if (!rackInfos) {
-      const maxRows = surface.trestleDetail.moduleMaxRows
-      const maxCols = surface.trestleDetail.moduleMaxCols
-      const msg = `段数の上限は${maxRows}段です。 上限より上の段には設置できません`
-      swalFire({ title: msg, type: 'alert' })
-      throw new Error('rackInfos is null')
-    }
+    // if (!rackInfos) {
+    //   const maxRows = surface.trestleDetail.moduleMaxRows
+    //   const maxCols = surface.trestleDetail.moduleMaxCols
+    //   const msg = `段数の上限は${maxRows}段です。 上限より上の段には設置できません`
+    //   swalFire({ title: msg, type: 'alert' })
+    //   throw new Error('rackInfos is null')
+    // }
 
+    if (!rackInfos) {
+      const msg = '該当モジュールタイプに関するラック情報がありません。'
+      swalFire({ title: msg, type: 'alert' })
+      return
+    }
     const roof = canvas.getObjects().find((obj) => obj.id === surface.parentId)
     const degree = getDegreeByChon(roof.roofMaterial.pitch)
     rackIntvlPct = rackIntvlPct === 0 ? 1 : rackIntvlPct // 0인 경우 1로 변경