diff --git a/cmd/backend/articles.go b/cmd/backend/articles.go
index deeb93c..aa23ce9 100644
--- a/cmd/backend/articles.go
+++ b/cmd/backend/articles.go
@@ -175,6 +175,10 @@ func (db *DB) GetCertainArticles(attribute string, value bool) ([]*Article, erro
 		articleList = append(articleList, article)
 	}
 
+	if err = rows.Err(); err != nil {
+		return nil, fmt.Errorf("error iterating over rows: %v", err)
+	}
+
 	return articleList, nil
 }
 
@@ -243,6 +247,13 @@ func (db *DB) GetCurrentIssueArticles() ([]*Article, error) {
 				articleList = append(articleList, article)
 			}
 
+			if err = rows.Err(); err != nil {
+				if rollbackErr := tx.Rollback(); rollbackErr != nil {
+					log.Fatalf("transaction error: %v, rollback error: %v", err, rollbackErr)
+				}
+				return nil, fmt.Errorf("error iterating over rows: %v", err)
+			}
+
 			if err = tx.Commit(); err != nil {
 				return nil, fmt.Errorf("error committing transaction when getting articles of issue %v: %v", issueID, err)
 			}
diff --git a/cmd/backend/articles_authors.go b/cmd/backend/articles_authors.go
index 0f4ef9e..d2a76b0 100644
--- a/cmd/backend/articles_authors.go
+++ b/cmd/backend/articles_authors.go
@@ -68,6 +68,10 @@ func (db *DB) GetArticleAuthors(c *Config, articleID int64) ([]*User, error) {
 		authors = append(authors, author)
 	}
 
+	if err = rows.Err(); err != nil {
+		return nil, fmt.Errorf("error iterating over rows: %v", err)
+	}
+
 	return authors, nil
 }
 
diff --git a/cmd/backend/articles_contributors.go b/cmd/backend/articles_contributors.go
index 696c606..e2a6e9a 100644
--- a/cmd/backend/articles_contributors.go
+++ b/cmd/backend/articles_contributors.go
@@ -68,6 +68,10 @@ func (db *DB) GetArticleContributors(c *Config, articleID int64) ([]*User, error
 		contributors = append(contributors, contributor)
 	}
 
+	if err = rows.Err(); err != nil {
+		return nil, fmt.Errorf("error iterating over rows: %v", err)
+	}
+
 	return contributors, nil
 }
 
diff --git a/cmd/backend/articles_tags.go b/cmd/backend/articles_tags.go
index 0cc9652..d1ba29e 100644
--- a/cmd/backend/articles_tags.go
+++ b/cmd/backend/articles_tags.go
@@ -61,6 +61,10 @@ func (db *DB) GetArticleTags(articleID int64) ([]*Tag, error) {
 		tags = append(tags, tag)
 	}
 
+	if err = rows.Err(); err != nil {
+		return nil, fmt.Errorf("error iterating over rows: %v", err)
+	}
+
 	return tags, nil
 }
 
diff --git a/cmd/backend/tags.go b/cmd/backend/tags.go
index 8a56d45..2b143ef 100644
--- a/cmd/backend/tags.go
+++ b/cmd/backend/tags.go
@@ -31,5 +31,9 @@ func (db *DB) GetTagList() ([]*Tag, error) {
 		tagList = append(tagList, tag)
 	}
 
+	if err = rows.Err(); err != nil {
+		return nil, fmt.Errorf("error iterating over rows: %v", err)
+	}
+
 	return tagList, nil
 }
diff --git a/cmd/backend/users.go b/cmd/backend/users.go
index c01a1cf..15ce79c 100644
--- a/cmd/backend/users.go
+++ b/cmd/backend/users.go
@@ -453,8 +453,6 @@ func (db *DB) AddFirstUser(c *Config, u *User, pass string) (int64, error) {
 
 func (db *DB) GetAllUsers(c *Config) ([]*User, error) {
 	var aesFirstName, aesLastName, aesEmail string
-	var err error
-
 	query := "SELECT id, username, first_name, last_name, email, profile_pic_link, role FROM users"
 
 	rows, err := db.Query(query)
@@ -487,6 +485,10 @@ func (db *DB) GetAllUsers(c *Config) ([]*User, error) {
 		users = append(users, user)
 	}
 
+	if err = rows.Err(); err != nil {
+		return nil, fmt.Errorf("error iterating over rows: %v", err)
+	}
+
 	return users, nil
 }
 
@@ -526,6 +528,10 @@ func (db *DB) GetAllUsersMap(c *Config) (map[int64]*User, error) {
 		users[user.ID] = user
 	}
 
+	if err = rows.Err(); err != nil {
+		return nil, fmt.Errorf("error iterating over rows: %v", err)
+	}
+
 	return users, nil
 }