diff --git a/src/BrazeKit-dev.js b/src/BrazeKit-dev.js
index fd97f77..711f5fd 100644
--- a/src/BrazeKit-dev.js
+++ b/src/BrazeKit-dev.js
@@ -992,13 +992,19 @@ var constructor = function () {
     }
 
     function decodeSubscriptionGroupMappings(subscriptionGroupSetting) {
-        var subscriptionGroupIds = {}; 
-      	var decodedSetting = subscriptionGroupSetting.replace(/"/g, '"');
-        var parsedSetting = JSON.parse(decodedSetting);
-        for (let subscriptionGroupMap of parsedSetting) {
-            var key = subscriptionGroupMap.map;
-            var value = subscriptionGroupMap.value;
-            subscriptionGroupIds[key] = value;
+        var subscriptionGroupIds = {};
+        try {
+            var decodedSetting = subscriptionGroupSetting.replace(/"/g, '"');
+            var parsedSetting = JSON.parse(decodedSetting);
+            for (let subscriptionGroupMap of parsedSetting) {
+                var key = subscriptionGroupMap.map;
+                var value = subscriptionGroupMap.value;
+                subscriptionGroupIds[key] = value;
+            }
+        } catch (e) {
+            console.error(
+                'Unable to configure custom Braze subscription group mappings.'
+            );
         }
         return subscriptionGroupIds;
     }
diff --git a/test/tests.js b/test/tests.js
index 861d1c1..3eb165c 100644
--- a/test/tests.js
+++ b/test/tests.js
@@ -1206,6 +1206,35 @@ describe('Braze Forwarder', function() {
         mParticle.forwarder.msg.should.equal(expectedMessage)
     });
 
+    it('should handle malformed JSON in decodeSubscriptionGroupMappings gracefully', function() {
+        // Mock console.error to capture the error message
+        var originalConsoleError = console.error;
+        var errorMessages = [];
+        console.error = function(message) {
+            console.log('console.error', message);
+            errorMessages.push(message);
+        };
+
+        // Test with malformed JSON (truly invalid JSON that will cause parse error)
+        var malformedSubscriptionGroupMapping = 'invalid json string that will cause parse error';
+
+        // This should not throw an error and should return an empty object
+        var result = mParticle.forwarder.decodeSubscriptionGroupMappings(malformedSubscriptionGroupMapping);
+
+        // Verify it returns an empty object
+        result.should.deepEqual({});
+
+        // Verify error was logged
+        errorMessages.length.should.equal(1);
+
+        errorMessages[0].should.equal(
+            'Unable to configure custom Braze subscription group mappings.'
+        );
+
+        // Restore console.error
+        console.error = originalConsoleError;
+    });
+
     it('should not set default values if a string is not passed as the attribute', function() {
         mParticle.forwarder.setUserAttribute('first_name', 'John');
         mParticle.forwarder.setUserAttribute('last_name', 'Doe');