SAP_UI 7.53 (SAPUI5 1.60) and SAP Fiori FES 5.0 are at the end of mainstream maintenance by the the end of 2021.

It is possible to install SAP Fiori front-end server 5.0 in following ways :

1- On SAP S/4HANA 1610, SAP NetWeaver AS ABAP 7.51 (required as minimum for S/4HANA for hub deployment, full support of Fiori 2.0 features)

2- On SAP S/4HANA 1709, SAP NetWeaver AS ABAP 7.52

3- On SAP S/4HANA 1809

4- On SAP NetWeaver AS ABAP 7.4 (not released for SAP S/4HANA)

5- O SAP NetWeaver AS ABAP 7.50 (not released for SAP S/4HANA)

You can get insight about this in regards to SAP Fiori FES 5.0, please check SAP note 2618605.

If you are still using SAP Fiori FES 5.0, execute an upgrade with the help of  SAP note 2217489 – Maintenance and Update Strategy for SAP Fiori Front-End Server.