CVI Conversion - Precheck master data errors

[drahul]

Hello Experts,

We are doing brownfield conversion ECC to S/4 HANA. As Pre-conversion activity on ECC system we have take Precheck master data error report.

We would like to know how to resolve number range overlapping error?

what is the best way to resolve this

Thank you

[Mark63]

You may check the CVI cookbook for info on overlapping number ranges.

[brittacarols]

When encountering number range overlapping errors during a brownfield conversion from ECC to S/4 HANA, it's essential to address them promptly to ensure a smooth transition. Here's a step-by-step guide on how to resolve such errors:

1. Identify Overlapping Number Ranges:

• Review the precheck master data error report to identify the specific number range objects and intervals that are overlapping.

2. Analyze the Cause:

• Investigate why the number ranges are overlapping. Common reasons include:
  
  • Incorrect configuration of number range intervals.
  • Changes in business processes leading to overlapping ranges.
  • Manual adjustments made without updating number range settings.

3. Assess Impact:

• Evaluate the impact of overlapping ranges on existing and future transactions, data integrity, reporting, and compliance.

4. Determine Solutions:

• Depending on the cause, decide on appropriate solutions:
  
  • Adjust Number Range Intervals: Modify the intervals of overlapping number ranges to ensure uniqueness.
  • Realign Business Processes: Align business processes to prevent overlapping ranges in the future.
  • Data Cleanup: Review and rectify any inconsistencies caused by overlapping ranges in existing data.

5. Engage Stakeholders:

• Collaborate with relevant stakeholders, including business process owners and IT teams, to validate proposed solutions and ensure they meet business requirements.

6. Test Solutions:

• Before implementing changes in the production environment, conduct thorough testing in a sandbox or development environment.
• Verify that the proposed solutions effectively resolve the overlapping range errors without introducing new issues.

7. Implement Changes:

• Once testing is successful and stakeholders approve the solutions, implement them in the production system.
• Follow established change management procedures and document the changes made.

8. Monitor Post-Conversion:

• After the conversion to S/4 HANA, monitor the system closely to ensure that the overlapping range issues have been resolved and that no new issues arise.
• Address any unforeseen issues promptly to maintain system stability.

9. Document and Train:

• Document the resolution process, including the steps taken and lessons learned, for future reference.
• Provide training or knowledge transfer sessions to relevant personnel to ensure they understand how to manage number ranges effectively in the S/4 HANA environment.