+VSI1505E VSAM FILE HAS BEEN ESTABLISHED WITH SHARE OPTIONS (3,3) OR (4,3)
+VSI1502E LSERV ACCESS MAY ONLY BE USED WITH SHARE OPTIONS (1,3) OR (2,3)
+VSI1510E SHR OPTION INVALID FOR DSN=SCM.P.RETAI.BASELIB
+C1LB038E ERROR IN BC1PVSSH - DSN=SCM.P.RETAI.BASELIB
LISTCAT ALL of the Base library shows the Share Option is set to (1,3)
Try recycling the LSERV started task.
If that does not resolve the problem, retain all documentation and open an Endevor support case at https://support.broadcom.com/