Occasionally a CV startup will fail with an SFDD abend, or another abend in the form SFxx, where xx is the hex representation of the SVC number. This document indicates the possible causes and resolutions of that error.
Abends in the format SFxx represent a problem with the SVC, where xx is the hex representation of the SVC number. A missing SVC can cause this error. Other than that, a few other things can cause this error:
Identify the cause from the above list and make the necessary corrections. If all else fails, this error can often be resolved by re-installing the SVC in the target LPAR where it will run.