diff --git a/tools/webide/packages/server/src/handlers/compile-contract.ts b/tools/webide/packages/server/src/handlers/compile-contract.ts
index aaed33150..a33c445f4 100644
--- a/tools/webide/packages/server/src/handlers/compile-contract.ts
+++ b/tools/webide/packages/server/src/handlers/compile-contract.ts
@@ -11,7 +11,7 @@ interface CompileBody {
   format?: string;
 }
 
-const validateRequest = (body: any): { value: CompileBody; error: any } => {
+const validateRequest = (body: any): { value: CompileBody; error?: any } => {
   return joi
     .object({
       syntax: joi.string().required(),
diff --git a/tools/webide/packages/server/src/handlers/compile-expression.ts b/tools/webide/packages/server/src/handlers/compile-expression.ts
index ece19eccc..5c179755d 100644
--- a/tools/webide/packages/server/src/handlers/compile-expression.ts
+++ b/tools/webide/packages/server/src/handlers/compile-expression.ts
@@ -10,7 +10,7 @@ interface CompileBody {
   format?: string;
 }
 
-const validateRequest = (body: any): { value: CompileBody; error: any } => {
+const validateRequest = (body: any): { value: CompileBody; error?: any } => {
   return joi
     .object({
       syntax: joi.string().required(),
diff --git a/tools/webide/packages/server/src/handlers/compile-storage.ts b/tools/webide/packages/server/src/handlers/compile-storage.ts
index f0cc1a12b..7fa88c75d 100644
--- a/tools/webide/packages/server/src/handlers/compile-storage.ts
+++ b/tools/webide/packages/server/src/handlers/compile-storage.ts
@@ -12,7 +12,7 @@ interface CompileBody {
   format?: string;
 }
 
-const validateRequest = (body: any): { value: CompileBody; error: any } => {
+const validateRequest = (body: any): { value: CompileBody; error?: any } => {
   return joi
     .object({
       syntax: joi.string().required(),
diff --git a/tools/webide/packages/server/src/handlers/deploy.ts b/tools/webide/packages/server/src/handlers/deploy.ts
index 6409c0da6..95c2f6852 100644
--- a/tools/webide/packages/server/src/handlers/deploy.ts
+++ b/tools/webide/packages/server/src/handlers/deploy.ts
@@ -15,7 +15,7 @@ interface DeployBody {
 
 Tezos.setProvider({ rpc: 'https://api.tez.ie/rpc/carthagenet' });
 
-const validateRequest = (body: any): { value: DeployBody; error: any } => {
+const validateRequest = (body: any): { value: DeployBody; error?: any } => {
   return joi
     .object({
       syntax: joi.string().required(),
diff --git a/tools/webide/packages/server/src/handlers/dry-run.ts b/tools/webide/packages/server/src/handlers/dry-run.ts
index 815d0c286..0edd1a856 100644
--- a/tools/webide/packages/server/src/handlers/dry-run.ts
+++ b/tools/webide/packages/server/src/handlers/dry-run.ts
@@ -12,7 +12,7 @@ interface DryRunBody {
   storage: string;
 }
 
-const validateRequest = (body: any): { value: DryRunBody; error: any } => {
+const validateRequest = (body: any): { value: DryRunBody; error?: any } => {
   return joi
     .object({
       syntax: joi.string().required(),
diff --git a/tools/webide/packages/server/src/handlers/evaluate-value.ts b/tools/webide/packages/server/src/handlers/evaluate-value.ts
index 80ca504bf..4805b5cfe 100644
--- a/tools/webide/packages/server/src/handlers/evaluate-value.ts
+++ b/tools/webide/packages/server/src/handlers/evaluate-value.ts
@@ -12,7 +12,7 @@ interface EvaluateValueBody {
 
 const validateRequest = (
   body: any
-): { value: EvaluateValueBody; error: any } => {
+): { value: EvaluateValueBody; error?: any } => {
   return joi
     .object({
       syntax: joi.string().required(),
diff --git a/tools/webide/packages/server/src/handlers/run-function.ts b/tools/webide/packages/server/src/handlers/run-function.ts
index 0fbf95d9e..da64c787b 100644
--- a/tools/webide/packages/server/src/handlers/run-function.ts
+++ b/tools/webide/packages/server/src/handlers/run-function.ts
@@ -11,7 +11,7 @@ interface RunFunctionBody {
   parameters: string;
 }
 
-const validateRequest = (body: any): { value: RunFunctionBody; error: any } => {
+const validateRequest = (body: any): { value: RunFunctionBody; error?: any } => {
   return joi
     .object({
       syntax: joi.string().required(),
diff --git a/tools/webide/packages/server/src/handlers/share.ts b/tools/webide/packages/server/src/handlers/share.ts
index 18bc13627..d8b282b8d 100644
--- a/tools/webide/packages/server/src/handlers/share.ts
+++ b/tools/webide/packages/server/src/handlers/share.ts
@@ -35,7 +35,7 @@ interface ShareBody {
   };
 }
 
-const validateRequest = (body: any): { value: ShareBody; error: any } => {
+const validateRequest = (body: any): { value: ShareBody; error?: any } => {
   return joi
     .object({
       editor: joi