try modifying the mult map set function

interface/map_def/srce_map_def_set.sql

@@ -10,65 +10,64 @@ DECLARE
 
 BEGIN
 
-    BEGIN
 
-        INSERT INTO
-            tps.map_rm (srce, target, regex, seq, hist)
-        SELECT
-            --data source
-            ae.r->>'srce'
-            --map name
-            ,ae.r->>'name'
-            --map definition
-            ,ae.r
-            --map aggregation sequence
-            ,(ae.r->>'sequence')::INTEGER
-            --history definition
-            ,jsonb_build_object(
-                'hist_defn',ae.r
-                ,'effective',jsonb_build_array(CURRENT_TIMESTAMP,null::timestamptz)
-            ) || '[]'::jsonb
-        FROM
-            jsonb_array_elements(_defn) ae(r)
-        ON CONFLICT ON CONSTRAINT map_rm_pk DO UPDATE SET
-            srce = excluded.srce
-            ,target = excluded.target
-            ,regex = excluded.regex
-            ,seq = excluded.seq
-            ,hist = 
-                    --the new definition going to position -0-
-                    jsonb_build_object(
-                        'hist_defn',excluded.regex
-                        ,'effective',jsonb_build_array(CURRENT_TIMESTAMP,null::timestamptz)
-                    ) 
-                    --the previous definition, set upper bound of effective range which was previously null
-                    || jsonb_set(
-                        map_rm.hist
-                        ,'{0,effective,1}'::text[]
-                        ,to_jsonb(CURRENT_TIMESTAMP)
-                    );
+    INSERT INTO
+        tps.map_rm (srce, target, regex, seq, hist)
+    SELECT
+        --data source
+        ae.r->>'srce'
+        --map name
+        ,ae.r->>'name'
+        --map definition
+        ,ae.r
+        --map aggregation sequence
+        ,(ae.r->>'sequence')::INTEGER
+        --history definition
+        ,jsonb_build_object(
+            'hist_defn',ae.r
+            ,'effective',jsonb_build_array(CURRENT_TIMESTAMP,null::timestamptz)
+        ) || '[]'::jsonb
+    FROM
+        jsonb_array_elements(_defn) ae(r)
+    ON CONFLICT ON CONSTRAINT map_rm_pk DO UPDATE SET
+        srce = excluded.srce
+        ,target = excluded.target
+        ,regex = excluded.regex
+        ,seq = excluded.seq
+        ,hist = 
+                --the new definition going to position -0-
+                jsonb_build_object(
+                    'hist_defn',excluded.regex
+                    ,'effective',jsonb_build_array(CURRENT_TIMESTAMP,null::timestamptz)
+                ) 
+                --the previous definition, set upper bound of effective range which was previously null
+                || jsonb_set(
+                    map_rm.hist
+                    ,'{0,effective,1}'::text[]
+                    ,to_jsonb(CURRENT_TIMESTAMP)
+                );
 
-    EXCEPTION WHEN OTHERS THEN
-
-        GET STACKED DIAGNOSTICS 
-                _MESSAGE_TEXT = MESSAGE_TEXT,
-                _PG_EXCEPTION_DETAIL = PG_EXCEPTION_DETAIL,
-                _PG_EXCEPTION_HINT = PG_EXCEPTION_HINT;
-            _message:= 
-            ($$
-                {
-                    "status":"fail",
-                    "message":"error setting definition"
-                }
-            $$::jsonb)
-            ||jsonb_build_object('message_text',_MESSAGE_TEXT)
-            ||jsonb_build_object('pg_exception_detail',_PG_EXCEPTION_DETAIL);
-            return _message;
-    END;
-
-    _message:= jsonb_build_object('status','complete','message','definition has been set');
+     _message:= jsonb_build_object('status','complete','message','definition has been set');
     return _message;
 
+
+    GET STACKED DIAGNOSTICS 
+            _MESSAGE_TEXT = MESSAGE_TEXT,
+            _PG_EXCEPTION_DETAIL = PG_EXCEPTION_DETAIL,
+            _PG_EXCEPTION_HINT = PG_EXCEPTION_HINT;
+        _message:= 
+        ($$
+            {
+                "status":"fail",
+                "message":"error setting definition"
+            }
+        $$::jsonb)
+        ||jsonb_build_object('message_text',_MESSAGE_TEXT)
+        ||jsonb_build_object('pg_exception_detail',_PG_EXCEPTION_DETAIL);
+        return _message;
+
+
+
 END;
 $f$
 language plpgsql