bzr: ERROR: exceptions.MemoryError: File of 1.2 GB size

Committing to: G:/Base de datos/Prado 31 mar 2009/
aborting commit write group: MemoryError()
bzr: ERROR: exceptions.MemoryError:

Traceback (most recent call last):
  File "bzrlib\commands.pyo", line 729, in exception_to_return_code
  File "bzrlib\commands.pyo", line 924, in run_bzr
  File "bzrlib\commands.pyo", line 560, in run_argv_aliases
  File "C:/Archivos de programa/Bazaar/plugins\qbzr\lib\commands.py", line 728, in run
  File "bzrlib\commands.pyo", line 924, in run_bzr
  File "bzrlib\commands.pyo", line 560, in run_argv_aliases
  File "bzrlib\builtins.pyo", line 2932, in run
  File "bzrlib\decorators.pyo", line 192, in write_locked
  File "bzrlib\workingtree_4.pyo", line 226, in commit
  File "bzrlib\decorators.pyo", line 192, in write_locked
  File "bzrlib\mutabletree.pyo", line 228, in commit
  File "bzrlib\commit.pyo", line 363, in commit
  File "bzrlib\commit.pyo", line 648, in _update_builder_with_changes
  File "bzrlib\commit.pyo", line 860, in _populate_from_inventory
  File "bzrlib\commit.pyo", line 904, in _record_entry
  File "bzrlib\repository.pyo", line 502, in record_entry_contents
  File "bzrlib\repository.pyo", line 831, in _add_text_to_weave
  File "bzrlib\knit.pyo", line 913, in add_lines
  File "bzrlib\knit.pyo", line 923, in _add
MemoryError

bzr 1.15 on python 2.5.2 (win32)
arguments: ['C:\\Archivos de programa\\Bazaar\\bzr.exe', 'qsubprocess', '"commit" "-m" "Primer commit de una base de datos grande" "PRADOTECHNOLOGY_6D3DB a.GDB" "PRADOTECHNOLOGY_6D3DB.GDB" "PRADOTECHNOLOGY_6D3DB.fbk" "USuarios Todos.xls"']
encoding: 'cp1252', fsenc: 'mbcs', lang: None
plugins:
  bzrtools C:\Archivos de programa\Bazaar\plugins\bzrtools [1.15]
  launchpad C:\Archivos de programa\Bazaar\plugins\launchpad [1.15]
  netrc_credential_store C:\Archivos de programa\Bazaar\plugins\netrc_credential_store [1.15]
  qbzr C:\Archivos de programa\Bazaar\plugins\qbzr [0.9.9]
  svn C:\Archivos de programa\Bazaar\plugins\svn [0.6.1]
*** Bazaar has encountered an internal error.
    Please report a bug at https://bugs.launchpad.net/bzr/+filebug
    including this traceback, and a description of what you
    were doing when the error occurred.