UNDO TBS Error

hello all...

ORacle901

our developers are trying to do some inserts and they are getting the following msg:

ORA-30036 unable to extend segment by 1024 in undo tablespace 'UNDOTBS'

my undo is in automatic mode...why am i getting this message ?...how i can i fix it ?...

any help is appreciated..

Ron

Are you running out of space in UNDO tablespace ??

no..i allocated 610mb and it has used 15mb. that is what i see on OEM.


Thanks
ron