diff --git a/libs/app-error/src/lib.rs b/libs/app-error/src/lib.rs
index c844e7be..d74dd029 100644
--- a/libs/app-error/src/lib.rs
+++ b/libs/app-error/src/lib.rs
@@ -161,6 +161,15 @@ pub enum AppError {
     workspace_id: Uuid,
     publish_name: String,
   },
+
+  #[error("There is an invalid character in the publish name: {character}")]
+  PublishNameInvalidCharacter { character: char },
+
+  #[error("The publish name is too long, given length: {given_length}, max length: {max_length}")]
+  PublishNameTooLong {
+    given_length: usize,
+    max_length: usize,
+  },
 }
 
 impl AppError {
@@ -232,6 +241,8 @@ impl AppError {
       AppError::AccessRequestAlreadyExists { .. } => ErrorCode::AccessRequestAlreadyExists,
       AppError::TooManyImportTask(_) => ErrorCode::TooManyImportTask,
       AppError::PublishNameAlreadyExists { .. } => ErrorCode::PublishNameAlreadyExists,
+      AppError::PublishNameInvalidCharacter { .. } => ErrorCode::PublishNameInvalidCharacter,
+      AppError::PublishNameTooLong { .. } => ErrorCode::PublishNameTooLong,
     }
   }
 }
@@ -368,6 +379,8 @@ pub enum ErrorCode {
   CustomNamespaceTooLong = 1048,
   CustomNamespaceReserved = 1049,
   PublishNameAlreadyExists = 1050,
+  PublishNameInvalidCharacter = 1051,
+  PublishNameTooLong = 1052,
 }
 
 impl ErrorCode {
diff --git a/src/biz/workspace/publish.rs b/src/biz/workspace/publish.rs
index 69466452..9ca6149f 100644
--- a/src/biz/workspace/publish.rs
+++ b/src/biz/workspace/publish.rs
@@ -61,19 +61,20 @@ async fn check_workspace_owner_or_publisher(
 }
 
 fn check_collab_publish_name(publish_name: &str) -> Result<(), AppError> {
+  const MAX_PUBLISH_NAME_LENGTH: usize = 128;
+
   // Check len
-  if publish_name.len() > 128 {
-    return Err(AppError::InvalidRequest(
-      "Publish name must be at most 128 characters long".to_string(),
-    ));
+  if publish_name.len() > MAX_PUBLISH_NAME_LENGTH {
+    return Err(AppError::PublishNameTooLong {
+      given_length: publish_name.len(),
+      max_length: MAX_PUBLISH_NAME_LENGTH,
+    });
   }
 
   // Only contain alphanumeric characters and hyphens
   for c in publish_name.chars() {
     if !c.is_alphanumeric() && c != '-' {
-      return Err(AppError::InvalidRequest(
-        "Publish name must only contain alphanumeric characters and hyphens".to_string(),
-      ));
+      return Err(AppError::PublishNameInvalidCharacter { character: c });
     }
   }
 
diff --git a/tests/workspace/publish.rs b/tests/workspace/publish.rs
index 952b6f7a..1f1eafa8 100644
--- a/tests/workspace/publish.rs
+++ b/tests/workspace/publish.rs
@@ -90,6 +90,50 @@ async fn test_publish_doc() {
     .await
     .unwrap();
 
+  {
+    // Invalid publish name
+    let err = c
+      .publish_collabs::<MyCustomMetadata, &[u8]>(
+        &workspace_id,
+        vec![PublishCollabItem {
+          meta: PublishCollabMetadata {
+            view_id: uuid::Uuid::new_v4(),
+            publish_name: "(*&^%$#!".to_string(), // invalid chars
+            metadata: MyCustomMetadata {
+              title: "my_title_1".to_string(),
+            },
+          },
+          data: "yrs_encoded_data_1".as_bytes(),
+        }],
+      )
+      .await
+      .unwrap_err();
+    assert_eq!(
+      err.code,
+      ErrorCode::PublishNameInvalidCharacter,
+      "{:?}",
+      err
+    );
+    // Publish name too long
+    let err = c
+      .publish_collabs::<MyCustomMetadata, &[u8]>(
+        &workspace_id,
+        vec![PublishCollabItem {
+          meta: PublishCollabMetadata {
+            view_id: uuid::Uuid::new_v4(),
+            publish_name: "a".repeat(1001), // too long
+            metadata: MyCustomMetadata {
+              title: "my_title_1".to_string(),
+            },
+          },
+          data: "yrs_encoded_data_1".as_bytes(),
+        }],
+      )
+      .await
+      .unwrap_err();
+    assert_eq!(err.code, ErrorCode::PublishNameTooLong, "{:?}", err);
+  }
+
   let publish_name_1 = "publish-name-1";
   let view_id_1 = uuid::Uuid::new_v4();
   let publish_name_2 = "publish-name-2";