diff --git a/changelogs/fragments/6669.yml b/changelogs/fragments/6669.yml
new file mode 100644
index 000000000000..1e68c7b5477a
--- /dev/null
+++ b/changelogs/fragments/6669.yml
@@ -0,0 +1,2 @@
+fix:
+- Optimization on handling invalid workspace id in workspace_ui_settings wrapper ([#6669](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/6669))
\ No newline at end of file
diff --git a/src/plugins/workspace/server/plugin.ts b/src/plugins/workspace/server/plugin.ts
index 7956d7928a9e..b53a00b39afa 100644
--- a/src/plugins/workspace/server/plugin.ts
+++ b/src/plugins/workspace/server/plugin.ts
@@ -94,7 +94,7 @@ export class WorkspacePlugin implements Plugin<WorkspacePluginSetup, WorkspacePl
     );
     this.proxyWorkspaceTrafficToRealHandler(core);
 
-    const workspaceUiSettingsClientWrapper = new WorkspaceUiSettingsClientWrapper();
+    const workspaceUiSettingsClientWrapper = new WorkspaceUiSettingsClientWrapper(this.logger);
     this.workspaceUiSettingsClientWrapper = workspaceUiSettingsClientWrapper;
     core.savedObjects.addClientWrapper(
       PRIORITY_FOR_WORKSPACE_UI_SETTINGS_WRAPPER,
diff --git a/src/plugins/workspace/server/saved_objects/workspace_ui_settings_client_wrapper.test.ts b/src/plugins/workspace/server/saved_objects/workspace_ui_settings_client_wrapper.test.ts
index b77ffd8aa2b8..68687d1ce510 100644
--- a/src/plugins/workspace/server/saved_objects/workspace_ui_settings_client_wrapper.test.ts
+++ b/src/plugins/workspace/server/saved_objects/workspace_ui_settings_client_wrapper.test.ts
@@ -3,6 +3,7 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
+import { loggerMock } from '@osd/logging/target/mocks';
 import { httpServerMock, savedObjectsClientMock, coreMock } from '../../../../core/server/mocks';
 import { WorkspaceUiSettingsClientWrapper } from './workspace_ui_settings_client_wrapper';
 import { WORKSPACE_TYPE } from '../../../../core/server';
@@ -17,6 +18,7 @@ describe('WorkspaceUiSettingsClientWrapper', () => {
     const getClientMock = jest.fn().mockReturnValue(clientMock);
     const requestHandlerContext = coreMock.createRequestHandlerContext();
     const requestMock = httpServerMock.createOpenSearchDashboardsRequest();
+    const logger = loggerMock.create();
 
     clientMock.get.mockImplementation(async (type, id) => {
       if (type === 'config') {
@@ -43,7 +45,7 @@ describe('WorkspaceUiSettingsClientWrapper', () => {
       return Promise.reject();
     });
 
-    const wrapper = new WorkspaceUiSettingsClientWrapper();
+    const wrapper = new WorkspaceUiSettingsClientWrapper(logger);
     wrapper.setScopedClient(getClientMock);
 
     return {
@@ -53,6 +55,7 @@ describe('WorkspaceUiSettingsClientWrapper', () => {
         typeRegistry: requestHandlerContext.savedObjects.typeRegistry,
       }),
       clientMock,
+      logger,
     };
   };
 
@@ -136,4 +139,40 @@ describe('WorkspaceUiSettingsClientWrapper', () => {
       {}
     );
   });
+
+  it('should not throw error if the workspace id is not valid', async () => {
+    const invalidWorkspaceId = 'invalid-workspace-id';
+    // Currently in a workspace
+    jest
+      .spyOn(utils, 'getWorkspaceState')
+      .mockReturnValue({ requestWorkspaceId: invalidWorkspaceId });
+
+    const { wrappedClient, clientMock, logger } = createWrappedClient();
+    clientMock.get.mockImplementation(async (type, id) => {
+      if (type === 'config') {
+        return Promise.resolve({
+          id,
+          references: [],
+          type: 'config',
+          attributes: {
+            defaultIndex: 'default-index-global',
+          },
+        });
+      }
+      return Promise.reject('not found');
+    });
+
+    const config = await wrappedClient.get('config', '3.0.0');
+    expect(config).toEqual({
+      attributes: {
+        defaultIndex: 'default-index-global',
+      },
+      id: '3.0.0',
+      references: [],
+      type: 'config',
+    });
+    expect(logger.error).toBeCalledWith(
+      `Unable to get workspaceObject with id: ${invalidWorkspaceId}`
+    );
+  });
 });
diff --git a/src/plugins/workspace/server/saved_objects/workspace_ui_settings_client_wrapper.ts b/src/plugins/workspace/server/saved_objects/workspace_ui_settings_client_wrapper.ts
index b2d8ebb80323..9cc860ec903e 100644
--- a/src/plugins/workspace/server/saved_objects/workspace_ui_settings_client_wrapper.ts
+++ b/src/plugins/workspace/server/saved_objects/workspace_ui_settings_client_wrapper.ts
@@ -17,12 +17,14 @@ import {
   SavedObjectsClientContract,
 } from '../../../../core/server';
 import { WORKSPACE_UI_SETTINGS_CLIENT_WRAPPER_ID } from '../../common/constants';
+import { Logger } from '../../../../core/server';
 
 /**
  * This saved object client wrapper offers methods to get and update UI settings considering
  * the context of the current workspace.
  */
 export class WorkspaceUiSettingsClientWrapper {
+  constructor(private readonly logger: Logger) {}
   private getScopedClient?: SavedObjectsServiceStart['getScopedClient'];
 
   /**
@@ -61,13 +63,19 @@ export class WorkspaceUiSettingsClientWrapper {
           options
         );
 
-        const workspaceObject = await this.getWorkspaceTypeEnabledClient(
-          wrapperOptions.request
-        ).get<WorkspaceAttribute>(WORKSPACE_TYPE, requestWorkspaceId);
+        let workspaceObject: SavedObject<WorkspaceAttribute> | null = null;
+
+        try {
+          workspaceObject = await this.getWorkspaceTypeEnabledClient(wrapperOptions.request).get<
+            WorkspaceAttribute
+          >(WORKSPACE_TYPE, requestWorkspaceId);
+        } catch (e) {
+          this.logger.error(`Unable to get workspaceObject with id: ${requestWorkspaceId}`);
+        }
 
         configObject.attributes = {
           ...configObject.attributes,
-          ...workspaceObject.attributes.uiSettings,
+          ...(workspaceObject ? workspaceObject.attributes.uiSettings : {}),
         };
 
         return configObject as SavedObject<T>;
@@ -111,7 +119,9 @@ export class WorkspaceUiSettingsClientWrapper {
           options
         );
 
-        configObject.attributes = workspaceUpdateResult.attributes.uiSettings;
+        if (workspaceUpdateResult.attributes.uiSettings) {
+          configObject.attributes = workspaceUpdateResult.attributes.uiSettings;
+        }
 
         return configObject as SavedObjectsUpdateResponse<T>;
       }