diff --git a/webapp/packages/plugin-administration/src/ConfigurationWizard/ServerConfiguration/ServerConfigurationPageController.ts b/webapp/packages/plugin-administration/src/ConfigurationWizard/ServerConfiguration/ServerConfigurationPageController.ts
index 6e06da2fab..ecb94ca893 100644
--- a/webapp/packages/plugin-administration/src/ConfigurationWizard/ServerConfiguration/ServerConfigurationPageController.ts
+++ b/webapp/packages/plugin-administration/src/ConfigurationWizard/ServerConfiguration/ServerConfigurationPageController.ts
@@ -37,7 +37,7 @@ export class ServerConfigurationPageController {
 
   change = (): void => {
     this.serverConfigurationService.changed();
-    if (this.state.serverConfig.enabledAuthProviders.length === 0) {
+    if (this.state.serverConfig.enabledAuthProviders?.length === 0) {
       this.state.serverConfig.authenticationEnabled = false;
     }
 
diff --git a/webapp/packages/plugin-authentication/src/Administration/ServerConfiguration/AuthenticationProviders.tsx b/webapp/packages/plugin-authentication/src/Administration/ServerConfiguration/AuthenticationProviders.tsx
index 2e3881bee5..4b73930025 100644
--- a/webapp/packages/plugin-authentication/src/Administration/ServerConfiguration/AuthenticationProviders.tsx
+++ b/webapp/packages/plugin-authentication/src/Administration/ServerConfiguration/AuthenticationProviders.tsx
@@ -47,7 +47,7 @@ export const AuthenticationProviders: PlaceholderComponent<IConfigurationPlaceho
             state={serverConfig}
             description={translate('administration_configuration_wizard_configuration_authentication_description')}
             mod={['primary']}
-            disabled={serverConfig.enabledAuthProviders.length === 0}
+            disabled={serverConfig.enabledAuthProviders?.length === 0}
             small
             autoHide
           >
diff --git a/webapp/packages/plugin-authentication/src/Administration/ServerConfiguration/ServerConfigurationAdminForm.tsx b/webapp/packages/plugin-authentication/src/Administration/ServerConfiguration/ServerConfigurationAdminForm.tsx
index 857edc569c..d594cb6460 100644
--- a/webapp/packages/plugin-authentication/src/Administration/ServerConfiguration/ServerConfigurationAdminForm.tsx
+++ b/webapp/packages/plugin-authentication/src/Administration/ServerConfiguration/ServerConfigurationAdminForm.tsx
@@ -26,7 +26,7 @@ export const ServerConfigurationAdminForm: React.FC<Props> = observer(function S
   const translate = useTranslate();
   const style = useStyles(BASE_CONTAINERS_STYLES);
 
-  if (!serverConfig.enabledAuthProviders.includes(AUTH_PROVIDER_LOCAL_ID)) {
+  if (!serverConfig.enabledAuthProviders?.includes(AUTH_PROVIDER_LOCAL_ID)) {
     return null;
   }
 
diff --git a/webapp/packages/plugin-authentication/src/Administration/ServerConfiguration/ServerConfigurationAuthenticationBootstrap.ts b/webapp/packages/plugin-authentication/src/Administration/ServerConfiguration/ServerConfigurationAuthenticationBootstrap.ts
index 7457fb241e..54d5fa90ea 100644
--- a/webapp/packages/plugin-authentication/src/Administration/ServerConfiguration/ServerConfigurationAuthenticationBootstrap.ts
+++ b/webapp/packages/plugin-authentication/src/Administration/ServerConfiguration/ServerConfigurationAuthenticationBootstrap.ts
@@ -87,7 +87,7 @@ export class ServerConfigurationAuthenticationBootstrap extends Bootstrap {
 
     if (
       data.configurationWizard
-      && state.serverConfig.enabledAuthProviders.includes(AUTH_PROVIDER_LOCAL_ID)
+      && state.serverConfig.enabledAuthProviders?.includes(AUTH_PROVIDER_LOCAL_ID)
     ) {
       state.serverConfig.adminName = data.state.serverConfig.adminName;
       state.serverConfig.adminPassword = data.state.serverConfig.adminPassword;
@@ -99,7 +99,7 @@ export class ServerConfigurationAuthenticationBootstrap extends Bootstrap {
 
     if (
       data.configurationWizard
-      && data.state.serverConfig.enabledAuthProviders.includes(AUTH_PROVIDER_LOCAL_ID)
+      && data.state.serverConfig.enabledAuthProviders?.includes(AUTH_PROVIDER_LOCAL_ID)
     ) {
       if (!data.state.serverConfig.adminName
         || data.state.serverConfig.adminName.length < 6