Do not code the following parameters with the AMP parameter.

DDNAME
DYNAM
FCB
FLASH
FREE
MODIFY

QNAME
RECFM
SUBSYS
SYSOUT
TERM
UCS

Invalid ddnames: The following ddnames are invalid for VSAM data sets:

Invalid DSNAMEs: When you code the AMP parameter, the DSNAME must not contain parentheses, a minus (hyphen), or a plus (+) sign. The forms of DSNAME valid for ISAM, partitioned access method (PAM), and generation data groups (GDG) are invalid with VSAM data sets.