# SAP Build Work Zone Troubleshooting Guide

Common issues and solutions for SAP Build Work Zone, advanced edition.

**Source**: [https://github.com/SAP-docs/sap-btp-build-work-zone-advanced](https://github.com/SAP-docs/sap-btp-build-work-zone-advanced)

## Table of Contents

- [API Errors](#api-errors)
  - [HTTP 503 - Service Unavailable](#http-503---service-unavailable)
  - [HTTP 429 - Too Many Requests](#http-429---too-many-requests)
  - [OAuth Authentication Failure](#oauth-authentication-failure)
- [Card Issues](#card-issues)
  - [Card Not Displaying](#card-not-displaying)
  - [Card Deployment Failed](#card-deployment-failed)
- [Workspace Issues](#workspace-issues)
  - [Cannot Create Workspace](#cannot-create-workspace)
  - [Missing Content](#missing-content)
- [Performance Issues](#performance-issues)
  - [Slow Page Load](#slow-page-load)
- [Integration Issues](#integration-issues)
  - [Microsoft Teams Connection Failed](#microsoft-teams-connection-failed)

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## API Errors

### HTTP 503 - Service Unavailable

**Cause**: Service maintenance or system overload

**Solution**: Wait and retry after a few minutes

### HTTP 429 - Too Many Requests

**Cause**: Rate limit exceeded

**Solution**:
1. Check `X-RateLimit-Remaining` header
2. Wait for `X-RateLimit-Reset` seconds
3. Implement exponential backoff

### OAuth Authentication Failure

**Cause**: Invalid or expired credentials

**Solution**:
1. Verify Workzone API Client credentials
2. Check OAuth token expiration
3. Regenerate client secret if needed

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## Card Issues

### Card Not Displaying

**Causes**:
- SAPUI5 version incompatibility
- Invalid manifest.json
- Missing destinations

**Solutions**:
1. Verify SAPUI5 version (1.87.0+)
2. Validate card manifest
3. Check destination configuration

### Card Deployment Failed

**Causes**:
- Missing permissions
- Invalid package structure

**Solutions**:
1. Verify Workzone_Admin role
2. Check project structure
3. Review deployment logs

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## Workspace Issues

### Cannot Create Workspace

**Cause**: Permission restrictions

**Solution**: Check workspace creation settings in Features

### Missing Content

**Cause**: Permission or visibility settings

**Solution**: Verify content permissions and user access

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## Integration Issues

### Microsoft Teams Connection Failed

**Causes**:
- Invalid OAuth configuration
- Tenant mismatch

**Solutions**:
1. Verify Azure AD app registration
2. Check tenant configuration
3. Review consent permissions

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## Performance Issues

### Slow Page Load

**Solutions**:
1. Reduce number of cards per page
2. Optimize card data queries
3. Enable CDN for static content

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**Documentation Links**:
- Troubleshooting Guide: [https://help.sap.com/docs/build-work-zone-advanced-edition](https://help.sap.com/docs/build-work-zone-advanced-edition)
- SAP Samples: [https://github.com/SAP-samples/build-workzone-integration](https://github.com/SAP-samples/build-workzone-integration)