diff --git a/apps/portal/src/server/router/questions/questions-answer-comment-user-router.ts b/apps/portal/src/server/router/questions/questions-answer-comment-user-router.ts
index c2bb0089..e9d77a73 100644
--- a/apps/portal/src/server/router/questions/questions-answer-comment-user-router.ts
+++ b/apps/portal/src/server/router/questions/questions-answer-comment-user-router.ts
@@ -109,6 +109,20 @@ export const questionsAnswerCommentUserRouter = createProtectedRouter()
       const { answerCommentId } = input;
 
       return await ctx.prisma.$transaction(async (tx) => {
+        const answerCommentToUpdate =
+          await tx.questionsAnswerComment.findUnique({
+            where: {
+              id: answerCommentId,
+            },
+          });
+
+        if (answerCommentToUpdate === null) {
+          throw new TRPCError({
+            code: 'BAD_REQUEST',
+            message: 'Answer Comment do not exist.',
+          });
+        }
+
         const vote = await tx.questionsAnswerCommentVote.findUnique({
           where: {
             answerCommentId_userId: { answerCommentId, userId },
@@ -189,6 +203,20 @@ export const questionsAnswerCommentUserRouter = createProtectedRouter()
       const { answerCommentId } = input;
 
       return await ctx.prisma.$transaction(async (tx) => {
+        const answerCommentToUpdate =
+          await tx.questionsAnswerComment.findUnique({
+            where: {
+              id: answerCommentId,
+            },
+          });
+
+        if (answerCommentToUpdate === null) {
+          throw new TRPCError({
+            code: 'BAD_REQUEST',
+            message: 'Answer Comment do not exist.',
+          });
+        }
+
         const vote = await tx.questionsAnswerCommentVote.findUnique({
           where: {
             answerCommentId_userId: { answerCommentId, userId },
@@ -269,6 +297,20 @@ export const questionsAnswerCommentUserRouter = createProtectedRouter()
       const { answerCommentId } = input;
 
       return await ctx.prisma.$transaction(async (tx) => {
+        const answerCommentToUpdate =
+          await tx.questionsAnswerComment.findUnique({
+            where: {
+              id: answerCommentId,
+            },
+          });
+
+        if (answerCommentToUpdate === null) {
+          throw new TRPCError({
+            code: 'BAD_REQUEST',
+            message: 'Answer Comment do not exist.',
+          });
+        }
+
         const voteToDelete = await tx.questionsAnswerCommentVote.findUnique({
           where: {
             answerCommentId_userId: { answerCommentId, userId },
diff --git a/apps/portal/src/server/router/questions/questions-answer-user-router.ts b/apps/portal/src/server/router/questions/questions-answer-user-router.ts
index 24597eaa..6418d500 100644
--- a/apps/portal/src/server/router/questions/questions-answer-user-router.ts
+++ b/apps/portal/src/server/router/questions/questions-answer-user-router.ts
@@ -39,7 +39,7 @@ export const questionsAnswerUserRouter = createProtectedRouter()
         },
       });
 
-      if (answerToUpdate?.id !== userId) {
+      if (answerToUpdate?.userId !== userId) {
         throw new TRPCError({
           code: 'UNAUTHORIZED',
           message: 'User have no authorization to record.',
@@ -69,7 +69,7 @@ export const questionsAnswerUserRouter = createProtectedRouter()
         },
       });
 
-      if (answerToDelete?.id !== userId) {
+      if (answerToDelete?.userId !== userId) {
         throw new TRPCError({
           code: 'UNAUTHORIZED',
           message: 'User have no authorization to record.',
@@ -107,6 +107,20 @@ export const questionsAnswerUserRouter = createProtectedRouter()
       const { answerId } = input;
 
       return await ctx.prisma.$transaction(async (tx) => {
+        const answerToUpdate =
+          await tx.questionsAnswer.findUnique({
+            where: {
+              id: answerId,
+            },
+          });
+
+        if (answerToUpdate === null) {
+          throw new TRPCError({
+            code: 'BAD_REQUEST',
+            message: 'Answer do not exist.',
+          });
+        }
+
         const vote = await tx.questionsAnswerVote.findUnique({
           where: {
             answerId_userId: { answerId, userId },
@@ -187,6 +201,20 @@ export const questionsAnswerUserRouter = createProtectedRouter()
       const { answerId } = input;
 
       return await ctx.prisma.$transaction(async (tx) => {
+        const answerToUpdate =
+          await tx.questionsAnswer.findUnique({
+            where: {
+              id: answerId,
+            },
+          });
+
+        if (answerToUpdate === null) {
+          throw new TRPCError({
+            code: 'BAD_REQUEST',
+            message: 'Answer do not exist.',
+          });
+        }
+
         const vote = await tx.questionsAnswerVote.findUnique({
           where: {
             answerId_userId: { answerId, userId },
@@ -267,6 +295,20 @@ export const questionsAnswerUserRouter = createProtectedRouter()
       const { answerId } = input;
 
       return await ctx.prisma.$transaction(async (tx) => {
+        const answerToUpdate =
+          await tx.questionsAnswer.findUnique({
+            where: {
+              id: answerId,
+            },
+          });
+
+        if (answerToUpdate === null) {
+          throw new TRPCError({
+            code: 'BAD_REQUEST',
+            message: 'Answer do not exist.',
+          });
+        }
+
         const voteToDelete = await tx.questionsAnswerVote.findUnique({
           where: {
             answerId_userId: { answerId, userId },
diff --git a/apps/portal/src/server/router/questions/questions-question-comment-user-router.ts b/apps/portal/src/server/router/questions/questions-question-comment-user-router.ts
index e2cc34c6..5066197e 100644
--- a/apps/portal/src/server/router/questions/questions-question-comment-user-router.ts
+++ b/apps/portal/src/server/router/questions/questions-question-comment-user-router.ts
@@ -110,6 +110,20 @@ export const questionsQuestionCommentUserRouter = createProtectedRouter()
       const { questionCommentId } = input;
 
       return await ctx.prisma.$transaction(async (tx) => {
+        const questionCommentToUpdate =
+          await tx.questionsQuestionComment.findUnique({
+            where: {
+              id: questionCommentId,
+            },
+          });
+
+        if (questionCommentToUpdate === null) {
+          throw new TRPCError({
+            code: 'BAD_REQUEST',
+            message: 'Question Comment do not exist.',
+          });
+        }
+
         const vote = await tx.questionsQuestionCommentVote.findUnique({
           where: {
             questionCommentId_userId: { questionCommentId, userId },
@@ -190,6 +204,20 @@ export const questionsQuestionCommentUserRouter = createProtectedRouter()
       const { questionCommentId } = input;
 
       return await ctx.prisma.$transaction(async (tx) => {
+        const questionCommentToUpdate =
+          await tx.questionsQuestionComment.findUnique({
+            where: {
+              id: questionCommentId,
+            },
+          });
+
+        if (questionCommentToUpdate === null) {
+          throw new TRPCError({
+            code: 'BAD_REQUEST',
+            message: 'Question Comment do not exist.',
+          });
+        }
+
         const vote = await tx.questionsQuestionCommentVote.findUnique({
           where: {
             questionCommentId_userId: { questionCommentId, userId },
@@ -270,6 +298,20 @@ export const questionsQuestionCommentUserRouter = createProtectedRouter()
       const { questionCommentId } = input;
 
       return await ctx.prisma.$transaction(async (tx) => {
+        const questionCommentToUpdate =
+          await tx.questionsQuestionComment.findUnique({
+            where: {
+              id: questionCommentId,
+            },
+          });
+
+        if (questionCommentToUpdate === null) {
+          throw new TRPCError({
+            code: 'BAD_REQUEST',
+            message: 'Question Comment do not exist.',
+          });
+        }
+
         const voteToDelete = await tx.questionsQuestionCommentVote.findUnique({
           where: {
             questionCommentId_userId: { questionCommentId, userId },
diff --git a/apps/portal/src/server/router/questions/questions-question-user-router.ts b/apps/portal/src/server/router/questions/questions-question-user-router.ts
index 7f8050c7..25a53d0b 100644
--- a/apps/portal/src/server/router/questions/questions-question-user-router.ts
+++ b/apps/portal/src/server/router/questions/questions-question-user-router.ts
@@ -132,6 +132,20 @@ export const questionsQuestionUserRouter = createProtectedRouter()
       const { questionId } = input;
 
       return await ctx.prisma.$transaction(async (tx) => {
+        const questionToUpdate =
+          await tx.questionsQuestion.findUnique({
+            where: {
+              id: questionId,
+            },
+          });
+
+        if (questionToUpdate === null) {
+          throw new TRPCError({
+            code: 'BAD_REQUEST',
+            message: 'Question do not exist.',
+          });
+        }
+
         const vote = await tx.questionsQuestionVote.findUnique({
           where: {
             questionId_userId: { questionId, userId },
@@ -212,6 +226,20 @@ export const questionsQuestionUserRouter = createProtectedRouter()
       const { questionId } = input;
 
       return await ctx.prisma.$transaction(async (tx) => {
+        const questionToUpdate =
+          await tx.questionsQuestion.findUnique({
+            where: {
+              id: questionId,
+            },
+          });
+
+        if (questionToUpdate === null) {
+          throw new TRPCError({
+            code: 'BAD_REQUEST',
+            message: 'Question do not exist.',
+          });
+        }
+
         const vote = await tx.questionsQuestionVote.findUnique({
           where: {
             questionId_userId: { questionId, userId },
@@ -292,6 +320,20 @@ export const questionsQuestionUserRouter = createProtectedRouter()
       const { questionId } = input;
 
       return await ctx.prisma.$transaction(async (tx) => {
+        const questionToUpdate =
+          await tx.questionsQuestion.findUnique({
+            where: {
+              id: questionId,
+            },
+          });
+
+        if (questionToUpdate === null) {
+          throw new TRPCError({
+            code: 'BAD_REQUEST',
+            message: 'Question do not exist.',
+          });
+        }
+
         const voteToDelete = await tx.questionsQuestionVote.findUnique({
           where: {
             questionId_userId: { questionId, userId },