diff --git a/android/src/main/java/com/android/simpl/fingerprint/SimplFingerprintSdkModule.java b/android/src/main/java/com/android/simpl/fingerprint/SimplFingerprintSdkModule.java
index b0decf3..fe11341 100644
--- a/android/src/main/java/com/android/simpl/fingerprint/SimplFingerprintSdkModule.java
+++ b/android/src/main/java/com/android/simpl/fingerprint/SimplFingerprintSdkModule.java
@@ -20,13 +20,17 @@ public String getName() {
 
     @ReactMethod
     public void generateFingerprint(final String clientId, final String phoneNumber, final String emailId, final Callback callback) {
-        SimplFingerprint.init(getReactApplicationContext(), phoneNumber, emailId);
-        SimplFingerprint.getInstance().generateFingerprint(new SimplFingerprintListener() {
-            @Override
-            public void fingerprintData(String fingerprint) {
-                callback.invoke(fingerprint);
-            }
-        });
+        try {
+            SimplFingerprint.init(getReactApplicationContext(), phoneNumber, emailId);
+            SimplFingerprint.getInstance().generateFingerprint(new SimplFingerprintListener() {
+                    @Override
+                     public void fingerprintData(String fingerprint) {
+                         callback.invoke(fingerprint);
+                     }
+                });
+        }catch (Exception ex){
+            callback.invoke(ex.getMessage());
+        }
     }
 
 }
diff --git a/ios/SimplFingerPrint/Simpl.m b/ios/SimplFingerPrint/Simpl.m
index e26f160..5159b9e 100644
--- a/ios/SimplFingerPrint/Simpl.m
+++ b/ios/SimplFingerPrint/Simpl.m
@@ -13,12 +13,17 @@ @implementation Simpl
 
 RCT_EXPORT_MODULE()
 
-RCT_EXPORT_METHOD(generateFingerprint:(NSString *)clientId phoneNumber:(NSString *) phoneNumber email: (NSString *) email callback:(RCTResponseSenderBlock)callback) {
-    GSUser *user = [[GSUser alloc] initWithPhoneNumber: phoneNumber email: email];
-    GSFingerPrint *fingerprint = [[GSFingerPrint alloc] initWithMerchantId:clientId andUser:user];
-    [fingerprint generateEncryptedPayloadWithCallback:^(NSString *payload) {
-        callback(@[payload]);
-    }];
+RCT_EXPORT_METHOD(generateFingerprint:(NSString *)clientId phoneNumber:(NSString *)phoneNumber email: (NSString *)email callback:(RCTResponseSenderBlock)callback) {
+    @try {
+        GSUser *user = [[GSUser alloc] initWithPhoneNumber: phoneNumber email: email];
+        GSFingerPrint *fingerprint = [[GSFingerPrint alloc] initWithMerchantId:clientId andUser:user];
+        [fingerprint generateEncryptedPayloadWithCallback:^(NSString *payload) {
+            callback(@[payload]);
+        }];
+    }
+    @catch  (NSException * ex){
+        callback(@[[ex reason]]);
+    }
 }
 
 - (dispatch_queue_t)methodQueue