diff --git a/lib/workers/repository/error-config.spec.ts b/lib/workers/repository/error-config.spec.ts
index 5076984e35673d..109bc7aa7d374f 100644
--- a/lib/workers/repository/error-config.spec.ts
+++ b/lib/workers/repository/error-config.spec.ts
@@ -1,7 +1,13 @@
 import { mock } from 'jest-mock-extended';
-import { RenovateConfig, getConfig, platform } from '../../../test/util';
+import {
+  RenovateConfig,
+  getConfig,
+  partial,
+  platform,
+} from '../../../test/util';
 import { GlobalConfig } from '../../config/global';
 import { CONFIG_VALIDATION } from '../../constants/error-messages';
+import { logger } from '../../logger';
 import type { Pr } from '../../modules/platform';
 import { raiseConfigWarningIssue } from './error-config';
 
@@ -24,9 +30,16 @@ describe('workers/repository/error-config', () => {
       const error = new Error(CONFIG_VALIDATION);
       error.validationSource = 'package.json';
       error.validationMessage = 'some-message';
+      error.validationError = 'some-error';
       platform.ensureIssue.mockResolvedValueOnce('created');
+
       const res = await raiseConfigWarningIssue(config, error);
+
       expect(res).toBeUndefined();
+      expect(logger.warn).toHaveBeenCalledWith(
+        { configError: error, res: 'created' },
+        'Configuration Warning'
+      );
     });
 
     it('creates issues (dryRun)', async () => {
@@ -35,50 +48,74 @@ describe('workers/repository/error-config', () => {
       error.validationMessage = 'some-message';
       platform.ensureIssue.mockResolvedValueOnce('created');
       GlobalConfig.set({ dryRun: 'full' });
+
       const res = await raiseConfigWarningIssue(config, error);
+
       expect(res).toBeUndefined();
+      expect(logger.info).toHaveBeenCalledWith(
+        { configError: error },
+        'DRY-RUN: Would ensure configuration error issue'
+      );
     });
 
     it('handles onboarding', async () => {
       const error = new Error(CONFIG_VALIDATION);
       error.validationSource = 'package.json';
       error.validationMessage = 'some-message';
-      platform.getBranchPr.mockResolvedValue({
-        ...mock<Pr>(),
+      const pr = partial<Pr>({
+        title: 'onboarding',
         number: 1,
         state: 'open',
       });
+      platform.getBranchPr.mockResolvedValue(pr);
+
       const res = await raiseConfigWarningIssue(config, error);
+
       expect(res).toBeUndefined();
+      expect(platform.updatePr).toHaveBeenCalledWith(
+        expect.objectContaining({ prTitle: pr.title, number: pr.number })
+      );
     });
 
     it('handles onboarding (dryRun)', async () => {
       const error = new Error(CONFIG_VALIDATION);
       error.validationSource = 'package.json';
       error.validationMessage = 'some-message';
-      platform.getBranchPr.mockResolvedValue({
-        ...mock<Pr>(),
+      const pr = partial<Pr>({
         number: 1,
         state: 'open',
       });
+      platform.getBranchPr.mockResolvedValue(pr);
       GlobalConfig.set({ dryRun: 'full' });
+
       const res = await raiseConfigWarningIssue(config, error);
+
       expect(res).toBeUndefined();
+      expect(logger.info).toHaveBeenCalledWith(
+        `DRY-RUN: Would update PR #${pr.number}`
+      );
     });
 
     it('disable issue creation on config failure', async () => {
+      const notificationName = 'configErrorIssue';
       const error = new Error(CONFIG_VALIDATION);
       error.validationSource = 'package.json';
       error.validationMessage = 'some-message';
       // config.suppressNotifications = ['deprecationWarningIssues']
-      config.suppressNotifications = ['configErrorIssue'];
+      config.suppressNotifications = [notificationName];
       platform.getBranchPr.mockResolvedValueOnce({
         ...mock<Pr>(),
         number: 1,
         state: '!open',
       });
+
       const res = await raiseConfigWarningIssue(config, error);
+
       expect(res).toBeUndefined();
+      expect(logger.info).toHaveBeenCalledWith(
+        { notificationName },
+        'Configuration failure, issues will be suppressed'
+      );
     });
   });
 });
diff --git a/lib/workers/repository/error-config.ts b/lib/workers/repository/error-config.ts
index 0fba9c00eefbbf..54a6d659e00f5c 100644
--- a/lib/workers/repository/error-config.ts
+++ b/lib/workers/repository/error-config.ts
@@ -2,61 +2,92 @@
 import { GlobalConfig } from '../../config/global';
 import type { RenovateConfig } from '../../config/types';
 import { logger } from '../../logger';
-import { platform } from '../../modules/platform';
+import { Pr, platform } from '../../modules/platform';
 import { regEx } from '../../util/regex';
 
-export async function raiseConfigWarningIssue(
+export function raiseConfigWarningIssue(
   config: RenovateConfig,
   error: Error
 ): Promise<void> {
   logger.debug('raiseConfigWarningIssue()');
-  let body = `There is an error with this repository's Renovate configuration that needs to be fixed. As a precaution, Renovate will stop PRs until it is resolved.\n\n`;
+  const title = `Action Required: Fix Renovate Configuration`;
+  const body = `There is an error with this repository's Renovate configuration that needs to be fixed. As a precaution, Renovate will stop PRs until it is resolved.\n\n`;
+  const notificationName = 'configErrorIssue';
+  return raiseWarningIssue(config, notificationName, title, body, error);
+}
+
+async function raiseWarningIssue(
+  config: RenovateConfig,
+  notificationName: string,
+  title: string,
+  initialBody: string,
+  error: Error
+): Promise<void> {
+  let body = initialBody;
   if (error.validationSource) {
     body += `Location: \`${error.validationSource}\`\n`;
   }
-  body += `Error type: ${error.validationError!}\n`;
+  if (error.validationError) {
+    body += `Error type: ${error.validationError}\n`;
+  }
   if (error.validationMessage) {
     body += `Message: \`${error.validationMessage.replace(
       regEx(/`/g),
       "'"
     )}\`\n`;
   }
+
   const pr = await platform.getBranchPr(config.onboardingBranch!);
   if (pr?.state === 'open') {
-    logger.debug('Updating onboarding PR with config error notice');
-    body = `## Action Required: Fix Renovate Configuration\n\n${body}`;
-    body += `\n\nOnce you have resolved this problem (in this onboarding branch), Renovate will return to providing you with a preview of your repository's configuration.`;
-    if (GlobalConfig.get('dryRun')) {
-      logger.info(`DRY-RUN: Would update PR #${pr.number}`);
-    } else {
-      try {
-        await platform.updatePr({
-          number: pr.number,
-          prTitle: config.onboardingPrTitle!,
-          prBody: body,
-        });
-      } catch (err) /* istanbul ignore next */ {
-        logger.warn({ err }, 'Error updating onboarding PR');
-      }
-    }
-  } else if (GlobalConfig.get('dryRun')) {
-    logger.info('DRY-RUN: Would ensure config error issue');
-  } else if (config.suppressNotifications?.includes('configErrorIssue')) {
+    await handleOnboardingPr(pr, body);
+    return;
+  }
+
+  if (GlobalConfig.get('dryRun')) {
     logger.info(
-      'configErrorIssue - configuration failure, issues will be suppressed'
+      { configError: error },
+      'DRY-RUN: Would ensure configuration error issue'
     );
-  } else {
-    const once = false;
-    const shouldReopen = config.configWarningReuseIssue;
-    const res = await platform.ensureIssue({
-      title: `Action Required: Fix Renovate Configuration`,
-      body,
-      once,
-      shouldReOpen: shouldReopen,
-      confidential: config.confidential,
+    return;
+  }
+
+  if (config.suppressNotifications?.includes(notificationName)) {
+    logger.info(
+      { notificationName },
+      'Configuration failure, issues will be suppressed'
+    );
+    return;
+  }
+
+  const res = await platform.ensureIssue({
+    title,
+    body,
+    once: false,
+    shouldReOpen: config.configWarningReuseIssue,
+    confidential: config.confidential,
+  });
+  if (res === 'created') {
+    logger.warn({ configError: error, res }, 'Configuration Warning');
+  }
+}
+
+async function handleOnboardingPr(pr: Pr, issueMessage: string): Promise<void> {
+  logger.debug('Updating onboarding PR with config error notice');
+  if (GlobalConfig.get('dryRun')) {
+    logger.info(`DRY-RUN: Would update PR #${pr.number}`);
+    return;
+  }
+
+  let prBody = `## Action Required: Fix Renovate Configuration\n\n${issueMessage}`;
+  prBody += `\n\nOnce you have resolved this problem (in this onboarding branch), Renovate will return to providing you with a preview of your repository's configuration.`;
+
+  try {
+    await platform.updatePr({
+      number: pr.number,
+      prTitle: pr.title,
+      prBody,
     });
-    if (res === 'created') {
-      logger.warn({ configError: error, res }, 'Config Warning');
-    }
+  } catch (err) /* istanbul ignore next */ {
+    logger.warn({ err }, 'Error updating onboarding PR');
   }
 }