BMF reason codes

Reason Code	Description
X'05xx001A'	There are still users connected to this data set.
X'05xx0031'	DADSM obtain format-1 DSCB failed.
X'05xx0032'	DADSM obtain format-3 DSCB failed.
X'05xx0046'	Invalid DSCB extents.
X'05xx0049'	SETLOCK obtain failed for the local lock.
X'05xx0051'	The data set is still connected during data set destroy.
X'07xx0050'	LSCB processed by recovery.
X'09xx0013'	SETLOCK obtain failed.
X'09xx0015'	SETLOCK release failed.