In application Renumber G/L Accounts creation of mapping is not possible due to error To create a mapping, use the development system (3SL) or Q system (2SL) 

SAP S/4HANA Cloud 

Current system type is not supported for renumbering the G/L accounts.
 

Based on the landscapes, you can find the right system to renumber the G/L accounts.

1. For the 2SL landscape, use the Quality(TEST) system.
2. For the 3SL landscape, use the Development Customizing client.

Note: Starter or Partner Demo Customizing/Developments Tenants are not supported for G/L account numbering.

Renumbering G/L Accounts: FAQ

Renumbering G/L Accounts: Overview

App ID F3026, renumbering, , KBA , CA-DT-CNV-S4C , COA GL Rename Cloud , FI-FIO-GL-MD , Master Data Apps , Problem