Forum OpenACS Q&A: error installing from head - cannot allocate handle from pool

Any idea why this happens? Thanks. /Mohan
[21/Mar/2003:10:31:17][1048.8][-conn:head::4] Error: Error sourcing /web/head/packages/acs-bootstrap-installer/installer/packages-install.tcl:
could not allocate 1 handle from pool "pool3"
    while executing
"ns_db gethandle $pool"
    invoked from within
"db_with_handle -dbn $dbn db {
        set selection [db_exec select $db $full_statement_name $sql]

        set result [list]

        while { [db_getrow $db $selection] }..."
    (procedure "db_list_of_lists" line 9)
    invoked from within
"db_list_of_lists get_function_args {}"
    (procedure "plpgsql_utility::get_function_args" line 2)
    invoked from within
"plpgsql_utility::get_function_args site_node__new"
    ("eval" body line 1)
    invoked from within
"eval $script"
    invoked from within
"ns_cache eval util_memoize $script {
            list $current_time [eval $script]
        }"
    (procedure "util_memoize" line 20)
    invoked from within
"util_memoize [list plpgsql_utility::get_function_args $function_name]"
    (procedure "plpgsql_utility::generate_attribute_parameter_call" line 4)
    invoked from within
"plpgsql_utility::generate_attribute_parameter_call \
                -prepend ":" \
                ${package_name}__new \
                $pieces"
    invoked from within
"subst -nobackslashes \n\n\tselect\ \$\{package_name\}__new(\[plpgsql_utility::generate_attr
ibute_parameter_call\ \\\n\t\t-prepend\ \":\"\ \\\n\t\t\$\{..."
    ("uplevel" body line 1)
    invoked from within
"uplevel $ulevel [list subst -nobackslashes $sql]"
    (procedure "db_exec" line 11)
    invoked from within
"db_exec 0or1row $db $full_statement_name $sql"
    invoked from within
"if {[regexp -nocase -- {^\s*select} $test_sql match]} {
            db_qd_log QDDebug "PLPGSQL: bypassed anon function"
            set selection [db_..."
    ("uplevel" body line 6)
    invoked from within
"uplevel 1 $code_block "
    invoked from within
"db_with_handle -dbn $dbn db {
        # plsql calls that are simple selects bypass the plpgsql
        # mechanism for creating anonymous functions (..."
    (procedure "db_exec_plsql" line 23)
    invoked from within
"db_exec_plsql create_object "
    BEGIN
      :1 := ${package_name}.new([plsql_utility::generate_attribute_parameter_call  -prepend
":"  -indent [expr..."
    (procedure "package_instantiate_object" line 106)
    invoked from within
"package_instantiate_object -extra_vars $extra_vars site_node"
    (procedure "site_node::new" line 9)
    invoked from within
"site_node::new -name $node_name -parent_id $parent_node_id"
    (procedure "site_node::instantiate_and_mount" line 12)
    invoked from within
"site_node::instantiate_and_mount -package_key acs-lang"
    (procedure "apm_mount_core_packages" line 6)
    invoked from within
"apm_mount_core_packages"
    invoked from within
"if { ![ad_acs_admin_node] } {
    ns_write "  
 Completing Install sequence by mounting the main site and other core
 packages.
    ..."
    (file "/web/head/packages/acs-bootstrap-installer/installer/packages-install.tcl" li
ne 44)
    invoked from within
"source $__file "