Hi, I got some errors when using MonetDB/XQuery, could you pls give me some help? I was running experiments over large XML data using MonetDB/XQuery. My hardware: CPU:Intel Core2 Duo CPU 2.93GHz, RAM:2.00GB MonetDB: Server v4.32.0 based on GDK v1.32.0, Compiled for i686-pc-win32/32bit, MonetDB/XQuery module v0.28.3 loaded (default back-end is 'algebra') When I try to load xmark1G.xml (generated by xmark generator with factor 10) by command 'pf:add-doc("H:\lxm\1G\xmark1000M.xml","xmark1G.xml")<>' Return errors: ERROR = !ERROR: [shred_url]: 1 times inserted nil due to errors at tuples 0@0. !ERROR: [shred_url]: first error was: !ERROR: HEAPextend: failed to extend to 278712278 for 03\373theap !ERROR: shredBAT_append_str: APPEND-STR[_prop_text]( !ERROR: CMDshred_url: operation failed. -- Xianmin Liu