diff --git a/src/main/java/capstone/relation/global/error/GlobalExceptionHandler.java b/src/main/java/capstone/relation/global/exception/GlobalExceptionHandler.java
similarity index 97%
rename from src/main/java/capstone/relation/global/error/GlobalExceptionHandler.java
rename to src/main/java/capstone/relation/global/exception/GlobalExceptionHandler.java
index d48bd75..ce12c7e 100644
--- a/src/main/java/capstone/relation/global/error/GlobalExceptionHandler.java
+++ b/src/main/java/capstone/relation/global/exception/GlobalExceptionHandler.java
@@ -1,4 +1,4 @@
-package capstone.relation.global.error;
+package capstone.relation.global.exception;
 
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ProblemDetail;
diff --git a/src/main/java/capstone/relation/global/error/ProblemDetailCreator.java b/src/main/java/capstone/relation/global/exception/ProblemDetailCreator.java
similarity index 96%
rename from src/main/java/capstone/relation/global/error/ProblemDetailCreator.java
rename to src/main/java/capstone/relation/global/exception/ProblemDetailCreator.java
index 2a6f1bc..a866b8d 100644
--- a/src/main/java/capstone/relation/global/error/ProblemDetailCreator.java
+++ b/src/main/java/capstone/relation/global/exception/ProblemDetailCreator.java
@@ -1,4 +1,4 @@
-package capstone.relation.global.error;
+package capstone.relation.global.exception;
 
 import java.net.URI;
 
diff --git a/src/main/java/capstone/relation/global/error/ValidationError.java b/src/main/java/capstone/relation/global/exception/ValidationError.java
similarity index 88%
rename from src/main/java/capstone/relation/global/error/ValidationError.java
rename to src/main/java/capstone/relation/global/exception/ValidationError.java
index adcbc66..4fb8870 100644
--- a/src/main/java/capstone/relation/global/error/ValidationError.java
+++ b/src/main/java/capstone/relation/global/exception/ValidationError.java
@@ -1,4 +1,4 @@
-package capstone.relation.global.error;
+package capstone.relation.global.exception;
 
 import org.springframework.validation.FieldError;
 
diff --git a/src/main/resources/static/meeting/js/main.js b/src/main/resources/static/meeting/js/main.js
index 20b4f50..d2d77ee 100644
--- a/src/main/resources/static/meeting/js/main.js
+++ b/src/main/resources/static/meeting/js/main.js
@@ -46,7 +46,7 @@ function connect() {
         })
             .then(gotStream)
             .catch(function (e) {
-                alert('getUserMedia() error: ' + e.name);
+                alert('getUserMedia() exception: ' + e.name);
             });
         stompClient.subscribe('/topic/' + WORKSPACE_ID + '/meetingRoomList', function (greeting) {
             updateRoomList(JSON.parse(greeting.body));
@@ -205,7 +205,7 @@ function handleIceRequest(message) {
 }
 
 function handleCreateOfferError(event) {
-    console.log('createOffer() error: ', event);
+    console.log('createOffer() exception: ', event);
 }
 
 function setLocalAndSendAnswer(sessionDescription, userId) {
diff --git a/src/main/resources/static/rtc/v2/main.js b/src/main/resources/static/rtc/v2/main.js
index 714ba3c..aec78dc 100644
--- a/src/main/resources/static/rtc/v2/main.js
+++ b/src/main/resources/static/rtc/v2/main.js
@@ -38,7 +38,7 @@ function gotLocalMediaStream(mediaStream) {
     callButton.disabled = false;  // Enable call button.
 }
 
-// Handles error by logging a message to the console.
+// Handles exception by logging a message to the console.
 function handleLocalMediaStreamError(error) {
     trace(`navigator.getUserMedia error: ${error.toString()}.`);
 }
@@ -123,7 +123,7 @@ function handleConnectionChange(event) {
         `${peerConnection.iceConnectionState}.`);
 }
 
-// Logs error when setting session description fails.
+// Logs exception when setting session description fails.
 function setSessionDescriptionError(error) {
     trace(`Failed to create session description: ${error.toString()}.`);
 }
diff --git a/src/main/resources/static/rtc/v4/js/main.js b/src/main/resources/static/rtc/v4/js/main.js
index 725f73f..e03e22b 100644
--- a/src/main/resources/static/rtc/v4/js/main.js
+++ b/src/main/resources/static/rtc/v4/js/main.js
@@ -99,7 +99,7 @@ navigator.mediaDevices.getUserMedia({
 })
     .then(gotStream)
     .catch(function (e) {
-        alert('getUserMedia() error: ' + e.name);
+        alert('getUserMedia() exception: ' + e.name);
     });
 
 function gotStream(stream) {
@@ -173,7 +173,7 @@ function handleIceCandidate(event) {
 }
 
 function handleCreateOfferError(event) {
-    console.log('createOffer() error: ', event);
+    console.log('createOffer() exception: ', event);
 }
 
 function doCall() {
diff --git a/src/test/java/capstone/relation/global/error/ProblemDetailCreatorTest.java b/src/test/java/capstone/relation/global/exception/ProblemDetailCreatorTest.java
similarity index 95%
rename from src/test/java/capstone/relation/global/error/ProblemDetailCreatorTest.java
rename to src/test/java/capstone/relation/global/exception/ProblemDetailCreatorTest.java
index a138115..aaebbcf 100644
--- a/src/test/java/capstone/relation/global/error/ProblemDetailCreatorTest.java
+++ b/src/test/java/capstone/relation/global/exception/ProblemDetailCreatorTest.java
@@ -1,4 +1,4 @@
-package capstone.relation.global.error;
+package capstone.relation.global.exception;
 
 import static org.junit.jupiter.api.Assertions.*;