Error Message: ERROR: FreeSpaceMap hashtable out of memory

-- System Information --

Platform:         Windows 2000
Version:         5.0
Build:         2195 Service Pack 3

-- Application Information --

Name:         pgAdmin II
Version:         1.6.0
Descripton:

Name:         pgSchema
Version:         1.6.0
Descripton:     PostgreSQL Schema Objects v1.6.0

-- Database Information --

Version:         7.3.2
Descripton:     PostgreSQL 7.3.2 on i386-redhat-linux-gnu, compiled by GCC
i386-redhat-linux-gcc (GCC) 3.2.2 20030213 (Red Hat Linux 8.0 3.2.2-1)

-- Driver Information --

Name:         PostgreSQL
Version:         7.3.100
Descripton:     PostgreSQL 7.3.2 on i386-redhat-linux-gnu, compiled by GCC
i386-redhat-linux-gcc (GCC) 3.2.2 20030213 (Red Hat Linux

-- Error Information --

Description:     ERROR:  FreeSpaceMap hashtable out of memory
Number:         -2147467259
Routine:         pgAdmin II:frmSQLOutput.cmdSave_Click

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Started receiving this error after executing a vacuum with analysis. pgadmin
hung or was not responding according to windows task manager. I shut down
the task on the windows side. Postmaster ran to completion on linux. All my
java code accessing the database now gets this error.