Runtime Errors

Component Shows Error on Page

Symptom

Component appears but displays error message instead of content.

Common Causes and Solutions

1. Data Source Configuration Error

Check: Query may be invalid or returning errors.

Solution:

• Test SOQL query in Developer Console

• Verify object and field API names are correct

• Check filter syntax follows SOQL rules

• Ensure user has access to queried objects/fields

2. Missing Field Permissions

Check: Component may reference fields user cannot access.

Solution:

• Review field-level security for affected fields

• Verify object permissions

• Test component as affected user

• Update field selections to use accessible fields

3. Component Logic Errors

Check: Custom actions or interactions may have errors.

Solution:

• Review component logic in builder

• Check for missing or incorrect action configurations

• Verify event handlers are properly configured

• Test step-by-step to isolate error

4. External Resource Issues

Check: External URLs or resources may be inaccessible.

Solution:

• Verify external URLs are accessible

• Check CSP (Content Security Policy) allows external resources

• Ensure API endpoints are functioning

• Test external resources independently