The Panvalet ISPF MSL (Member Selection List) of a PANLIB displays a blank or zero for the user code field.
Panvalet ISPF 14.5 or 14.6
Apply Special fix $4SF008 to display the actual user code value.
Special fixes were found in member SPECIALMVS of the installed PANLIB library through release 14.5.
If 14.5, you are finished.
If 14.6, the following all applies to you:
Special fixes are found in the installation CBA3SAMP library member SPECLMVS.
RO34750 was required but has since been superceded by RO84662.
The module is in the LPA so may require a "SETPROG LPA" to take effect.