PA Generate Asset Lines for a Single Project

SELECT  pe.project_id aex_project_id,
        pe.project_number aex_project_number,
        pl2.meaning aex_asset_allocation_method,
        pe.asset_or_project_error aex_error_type,
        pe.project_asset_line_id aex_asset_line_id,
        pt.task_number aex_task_number,
        ppa.asset_name aex_asset_name,
        pe.project_asset_id aex_asset_id,
        pe.capital_event_id aex_cap_event_id,
        pe.capital_event_number aex_event_number,
        pe.event_name aex_eventname,
        pl.lookup_code aex_error_code, 
        pl.meaning aex_error_message
FROM    pa_asset_alloc_exceptions_v pe,
        pa_project_assets ppa,
        pa_tasks pt,
        pa_lookups pl,
        pa_lookups pl2
WHERE   ppa.project_asset_id(+) = pe.project_asset_id
AND     pe.request_id = :p_conc_request_id
AND     pt.task_id = pe.task_id
AND     pl.lookup_type = 'ASSET_ALLOCATION_EXCEPTIONS'
AND     pl.lookup_code = pe.error_code
AND     pl2.lookup_type = 'ASSET_ALLOCATION_METHOD'
AND     pl2.lookup_code = pe.asset_allocation_method
AND    (pe.event_name IS NULL 
      OR   pe.event_name = nvl(:p_event_name,pe.event_name))
UNION ALL
SELECT  pe.project_id aex_project_id,
        pe.project_number aex_project_number,
        pl2.meaning aex_asset_allocation_method,
        pe.asset_or_project_error aex_error_type,
        pe.project_asset_line_id aex_asset_line_id,
        NULL,
        ppa.asset_name aex_asset_name,
        pe.project_asset_id aex_asset_id,
        pe.capital_event_id aex_cap_event_id,
        pe.capital_event_number aex_event_number,
        pe.event_name aex_eventname,
        pl.lookup_code aex_error_code, 
        pl.meaning aex_error_message
FROM    pa_asset_alloc_exceptions_v pe,
        pa_project_assets ppa,
        pa_lookups pl,
        pa_lookups pl2
WHERE   ppa.project_asset_id(+) = pe.project_asset_id
AND     pe.request_id = :p_conc_request_id
AND     pe.task_id = 0
AND     pl.lookup_type = 'ASSET_ALLOCATION_EXCEPTIONS'
AND     pl.lookup_code = pe.error_code
AND     pl2.lookup_type = 'ASSET_ALLOCATION_METHOD'
AND     pl2.lookup_code = pe.asset_allocation_method
AND    (pe.event_name IS NULL 
           OR   pe.event_name = nvl(:p_event_name,pe.event_name))