You could not find a way to create special G/L indicator in a cloud system.
SAP S/4HANA Cloud
Reproducing the Issue
You want to create new special G/L indicator.
It is standard that special GL indicator cannot be customized via SSCUI. It is a pre-configured setting.
The changes in the basic setup of special GL indicators is non-approved expert configuration.
There is a SSCUI ID 100297 (Automatic Account determination) with which you can define alternative reconciliation accounts for special GL transactions.
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