The issue was caused because the DRM_DB.IDXREL02 tablespace was maxed out.
Add the datafile to existing 'IDXREL02' tablespace to increase the size.
sql> alter tablespace DRM_DB.IDXREL02 add datafile 'file>/IDXREL02.dbf' size 500M autoextend on;
Ohh Just noticed this was reply in earlier thread
Please close the post.