After implementation SLCM 18.104.22.168 (CP05), blank screen is displayed when a request is submitted.
CA Service Catalog 14.x
CP05 Patch implementation
Please contact support.
Once you have encountered the issue the current resolution is to install:
1.T6D9367 .CAZ on top of 14.1.05
Note: This fix was released as "Small Combo fix after 14.1 CP5"