You are in Realize phase (in Q System) and expect go to the Deploy or Run phase (in P System). However, the button Proceed to Run Phase is disabled (greyed out).
SAP S/4HANA Cloud.
Reproducing the Issue
In Manage your solution go to Configure your solution choose some mandatory SSCUI and the button Proceed to Run Phase (located at bottom right corner on screen) is greyed out.
If you don't confirm the settings for all mandatory SSCUIs are correct this button will be disabled.
Before you can move from the Realize phase (in Q System) to the Deploy or Run phase (in P System), you must confirm the settings for all mandatory SSCUIs are correct.
To confirm the settings you need to change the status column from Open to Confirmed.
SSCUI, Proceed to Run Phase, button disable, greyed out, Realize phase, Deploy phase, Run phase, mandatory SSCUI. , KBA , SV-CLD-SSC , Self-Service-Configurations-UI , How To