You are probably running out of temporary space. Check to see if there's enough space on the device hosting temporary TS container(s).
SQL0968C The file system is full.
Explanation:
One of the file systems containing the database is full. This
file system may contain the database directory, the database log
files, or a table space container.
The statement cannot be processed.
User Response:
Free system space by erasing unwanted files. Do not erase
database files. If additional space is required, it may be
necessary to drop tables and indexes identified as not
required.
On unix-based systems, this disk full condition may be due to
exceeding the maximum file size allowed for the current userid.
Use the chuser command to update fsize. A reboot may be
necessary.
This disk full condition may be caused when containers are of
varying sizes. If there is sufficient space in the file system,
drop the table space and recreate it with containers of equal
size.
sqlcode : -968
sqlstate : 57011