throw error if resources are missing in schedule

frontend/awx/views/schedules/wizard/ScheduleAddWizard.tsx

@@ -23,6 +23,8 @@ import { RESOURCE_TYPE } from '../../../resources/templates/WorkflowVisualizer/c
 import { useProcessSchedule } from '../hooks/useProcessSchedules';
 import { useNavigate } from 'react-router-dom';
 import { Schedule } from '../../../interfaces/Schedule';
+import { JobTemplate } from '../../../interfaces/JobTemplate';
+import { WorkflowJobTemplate } from '../../../interfaces/WorkflowJobTemplate';
 import { RequestError } from '../../../../common/crud/RequestError';
 import { RULES_DEFAULT_VALUES } from './constants';
 import { ScheduleReviewStep } from './ScheduleReviewStep';
@@ -74,6 +76,21 @@ export function ScheduleAddWizard() {
       id: 'details',
       label: t('Details'),
       inputs: <ScheduleSelectStep />,
+      validate: (formData: Partial<ScheduleFormWizard>) => {
+        const resource = formData.resource as JobTemplate | WorkflowJobTemplate;
+        const { inventory, project, organization } = resource.summary_fields;
+
+        if (
+          (resource?.type === 'job_template' && (!inventory || !project || !organization)) ||
+          (resource?.type === 'workflow_job_template' && (!inventory || !organization))
+        ) {
+          const errors = {
+            __all__: [t('Resources are missing from this template.')],
+          };
+
+          throw new RequestError('', '', 400, '', errors);
+        }
+      },
     },
     {
       id: 'nodePromptsStep',