FW: getting error while running sql on mm_activealrm table

Hi all,

We are getting following error message on doing any action on the table like(Select or open from pgadmin).

Please suggest.

ERROR:  missing chunk number 0 for toast value 54787 in pg_toast_2619

********** Error **********

ERROR: missing chunk number 0 for toast value 54787 in pg_toast_2619

SQL state: XX000

CREATE TABLE mm_activealarm

(

  alarm_id integer NOT NULL,

  source_address character varying(255) NOT NULL,

  alarm_instance_id integer NOT NULL,

  alarm_raise_time bigint,

  alarm_update_time bigint,

  alarm_cease_time bigint,

  alarm_count integer,

  alarm_severity integer NOT NULL,

  source_type character varying(40) NOT NULL,

  alarm_state integer NOT NULL,

  event_type integer,

  notification_id integer NOT NULL,

  probable_cause integer NOT NULL,

  specific_problem integer NOT NULL,

  alarm_additional_text character varying(10240),

  alarm_ack_time bigint,

  alarm_ack_user character varying(100) NOT NULL,

  alarm_ack_system character varying(100) NOT NULL,

  alarm_proposed_repair_action character varying(10240) NOT NULL,

  CONSTRAINT mm_activealarm_pk PRIMARY KEY (alarm_id, source_address)

  USING INDEX TABLESPACE mgrdata

)

WITH (

  OIDS=FALSE

)

TABLESPACE mgrdata;

ALTER TABLE ss_activealarm

  OWNER TO ss_super;

Regards

Tarkeshwar