Installed Odoo 16 on Ubuntu 20.04 with external Accounting add on. All other modules work fine but I keep getting an error from any operation in the Accounting module (below is from trying to create a bill). New to Odoo and appreciate any help.
RPC_ERROR
Odoo Server Error
Traceback (most recent call last):
File "/opt/odoo/odoo16/odoo/http\.py",\ line\ 1584,\ in\ _serve_db
\ \ \ \ return\ service_model\.retrying\(self\._serve_ir_http,\ self\.env\)
\ \ File\ "/opt/odoo/odoo16/odoo/service/model\.py",\ line\ 133,\ in\ retrying
\ \ \ \ result\ =\ func\(\)
\ \ File\ "/opt/odoo/odoo16/odoo/http\.py",\ line\ 1611,\ in\ _serve_ir_http
\ \ \ \ response\ =\ self\.dispatcher\.dispatch\(rule\.endpoint,\ args\)
\ \ File\ "/opt/odoo/odoo16/odoo/http\.py",\ line\ 1815,\ in\ dispatch
\ \ \ \ result\ =\ self\.request\.registry\['ir\.http'\]\._dispatch\(endpoint\)
\ \ File\ "/opt/odoo/odoo16/odoo/addons/base/models/ir_http\.py",\ line\ 154,\ in\ _dispatch
\ \ \ \ result\ =\ endpoint\(\*\*request\.params\)
\ \ File\ "/opt/odoo/odoo16/odoo/http\.py",\ line\ 697,\ in\ route_wrapper
\ \ \ \ result\ =\ endpoint\(self,\ \*args,\ \*\*params_ok\)
\ \ File\ "/opt/odoo/odoo16/addons/web/controllers/dataset\.py",\ line\ 42,\ in\ call_kw
\ \ \ \ return\ self\._call_kw\(model,\ method,\ args,\ kwargs\)
\ \ File\ "/opt/odoo/odoo16/addons/web/controllers/dataset\.py",\ line\ 33,\ in\ _call_kw
\ \ \ \ return\ call_kw\(request\.env\[model\],\ method,\ args,\ kwargs\)
\ \ File\ "/opt/odoo/odoo16/odoo/api\.py",\ line\ 461,\ in\ call_kw
\ \ \ \ result\ =\ _call_kw_multi\(method,\ model,\ args,\ kwargs\)
\ \ File\ "/opt/odoo/odoo16/odoo/api\.py",\ line\ 448,\ in\ _call_kw_multi
\ \ \ \ result\ =\ method\(recs,\ \*args,\ \*\*kwargs\)
\ \ File\ "/opt/odoo/odoo16/addons/account/models/account_move\.py",\ line\ 2350,\ in\ onchange
\ \ \ \ return\ super\(\)\.onchange\(values,\ field_name,\ field_onchange\)
\ \ File\ "/opt/odoo/odoo16/odoo/models\.py",\ line\ 6502,\ in\ onchange
\ \ \ \ record\._onchange_eval\(name,\ field_onchange\[name\],\ result\)
\ \ File\ "/opt/odoo/odoo16/odoo/models\.py",\ line\ 6213,\ in\ _onchange_eval
\ \ \ \ method_res\ =\ method\(self\)
\ \ File\ "/opt/odoo/odoo16/addons/account/models/account_move\.py",\ line\ 1601,\ in\ _onchange_name_warning
\ \ \ \ if\ self\.name\ and\ self\.name\ !=\ '/'\ and\ self\.name\ <=\ \(self\.highest_name\ or\ ''\)\ and\ not\ self\.quick_edit_mode:
\ \ File\ "/opt/odoo/odoo16/odoo/fields\.py",\ line\ 1157,\ in\ __get__
\ \ \ \ self\.recompute\(record\)
\ \ File\ "/opt/odoo/odoo16/odoo/fields\.py",\ line\ 1365,\ in\ recompute
\ \ \ \ apply_except_missing\(self\.compute_value,\ recs\)
\ \ File\ "/opt/odoo/odoo16/odoo/fields\.py",\ line\ 1338,\ in\ apply_except_missing
\ \ \ \ func\(records\)
\ \ File\ "/opt/odoo/odoo16/odoo/fields\.py",\ line\ 1387,\ in\ compute_value
\ \ \ \ records\._compute_field_value\(self\)
\ \ File\ "/opt/odoo/odoo16/addons/mail/models/mail_thread\.py",\ line\ 403,\ in\ _compute_field_value
\ \ \ \ return\ super\(\)\._compute_field_value\(field\)
\ \ File\ "/opt/odoo/odoo16/odoo/models\.py",\ line\ 4203,\ in\ _compute_field_value
\ \ \ \ fields\.determine\(field\.compute,\ self\)
\ \ File\ "/opt/odoo/odoo16/odoo/fields\.py",\ line\ 97,\ in\ determine
\ \ \ \ return\ needle\(\*args\)
\ \ File\ "/opt/odoo/odoo16/addons/account/models/account_move\.py",\ line\ 695,\ in\ _compute_name
\ \ \ \ if\ move_has_name\ and\ move\.posted_before\ or\ not\ move_has_name\ and\ move\._get_last_sequence\(lock=False\):
\ \ File\ "/opt/odoo/odoo16/addons/account_sequence/models/sequence_mixin\.py",\ line\ 11,\ in\ _get_last_sequence
\ \ \ \ return\ super\(\)\._get_last_sequence\(relaxed,\ with_prefix,\ False\)
\ \ File\ "/opt/odoo/odoo16/addons/account/models/sequence_mixin\.py",\ line\ 207,\ in\ _get_last_sequence
\ \ \ \ self\.env\.cr\.execute\(query,\ param\)
\ \ File\ "/opt/odoo/odoo16/odoo/sql_db\.py",\ line\ 314,\ in\ execute
\ \ \ \ res\ =\ self\._obj\.execute\(query,\ params\)
psycopg2.errors.InvalidRegularExpression: invalid regular expression: quantifier operand invalid
The above server error caused the following client error:
null