How to activate SAP Gateway or Error " SAP Gateway has been deactivated" ?
SAP NetWeaver Gateway, OData Service, HTTP request, /N/IWFND/ERROR_LOG
Issues:
1: How to activate SAP Gateway in S4HANA/ SAP application
2: After the system refresh or client we may receive complaints from users about Fiori tiles not loading.
3: We may see the error in "/n/UI2/GW_ERR_LOG" Gateway-Error Log.
We can reproduce issue by Call a HTTP request or use transaction /N/IWFND/ERROR_LOG to view the error log.
Resolution:
Activate SAP Gateway by going to the following path in your Gateway system:
SPRO -> SAP Customizing Implementation Guide -> SAP NetWeaver -> Gateway -> OData Channel -> Configuration -> Activate or Deactivate SAP NetWeaver Gateway.
OR
Use transaction: /n/IWFND/IWF_ACTIVATE
Click "Activate".