Having trouble with Layout Builder? Find solutions to common issues below.
Blocks Not Appearing
Problem: Added blocks don’t show up on the page.
Solutions:
- Check Block Placement - Ensure block is in a visible region
- Check block’s visibility settings
 
- Clear Cache - drush cr
- Check Permissions - Visit /admin/people/permissions
- Ensure role has “Create and edit custom blocks”
 
- Visit 
- Check Block Configuration - Inline blocks must be configured before adding
- Some blocks require additional fields
 
Section Styling Not Working
Problem: Section background colors or styles don’t apply.
Solutions:
- Clear Cache - drush cr
- Check Theme Compatibility - Small Y template required for some styles
- Some styles only work with specific themes
 
- Rebuild CSS - drush cron drush cr
Media Upload Failures
Error: The file could not be uploaded.
Solutions:
- Check File Permissions - chmod -R 755 sites/default/files chown -R www-data:www-data sites/default/files
- Check File Size Limits - // In php.ini or .htaccess upload_max_filesize = 64M post_max_size = 64M
- Check Disk Space - df -h
- Check Allowed File Extensions - Visit /admin/config/media/file-system
- Add extension if needed (e.g., .webp)
 
- Visit 
Need more help? Browse the Block Library or Get Support.