I have some scripts that monitor space usage. Now there is one that alerts as below.

"Max free blocks alerting - CCSP212-PROD Production"

TABLESPACE_NAME Max free (KB) Max next (KB) free - next
---------------- --------- ---------- ---------
I_ENCNTR_PRSNL 47272 26248 21024

#########################
I have the following questions
1/ What does this mean?
2/ How do I solve it?

I have included some general stats on the tablespace below

TABLESPACE_NAME FILE_NAME FREE(KB)
--------------- --------- -----
I_ENCNTR /dev/rprod_0132 400
I_ENCNTR /dev/rprod_0032 31736
I_ENCNTR /dev/rprod_0128 46096
I_ENCNTR /dev/rprod_0096 47272


SEGMENT_NAME TOTAL(KB) NEXT(KB) EXTENTS
------------ --------- ------- -------
XPKENCNTR 44696 11664 11
XIE2ENCNTR 70320 17496 15
XIE3ENCNTR 66144 17496 15
XIE4ENCNTR 82424 26248 15

Thanx