40357-invalid string in example record query not issued

Question

hello experts,
i am using forms 10g.in query mode i face that error 40357-invalid string in example record query not issued.
i used these code in key-next-item trigger
PROCEDURE KN_FOR_QUERY IS
BEGIN
IF :global.navigation = 'D' AND :global.mode = 'M'
THEN
IF NAME_IN(:SYSTEM.CURSOR_ITEM) IS NOT NULL
THEN
:global.temp_div_code:= :po_m.po_div_code;
:global.temp_po_num := :po_m.po_num;
:global.temp_po_ex_work := :PUR_DELV_D.DELV_EX_WORK;
:global.temp_modi_num:= :po_m.po_modi_num;
IF GET_BLOCK_PROPERTY(:SYSTEM.CURSOR_BLOCK,QUERY_HITS)=0
THEN     
-- message('1---'||:SYSTEM.CURSOR_BLOCK);
-- message('2---'||:SYSTEM.CURSOR_BLOCK);
GO_BLOCK(:SYSTEM.CURSOR_BLOCK);
CLEAR_BLOCK(no_validate);
EXECUTE_QUERY;
-- ELSE
     -- NEXT_ITEM;
END IF;
-- ELSE
-- mess(GET_ITEM_PROPERTY(:SYSTEM.CURSOR_ITEM,PROMPT_TEXT)||' Must Be Entered For Query...');
END IF;
ELSIF :global.navigation = 'D' and :global.mode = 'Q'
THEN
IF NAME_IN(:SYSTEM.CURSOR_ITEM) IS NOT NULL
THEN
MESS('Press Execute query button');
go_item('tools.execute_query');
ELSE
mess(GET_ITEM_PROPERTY(:SYSTEM.CURSOR_ITEM,PROMPT_TEXT)||' Must Be Entered For Query...');
END IF;
ELSIF :global.navigation = 'D' and :global.mode = 'A'
THEN
IF NAME_IN(:SYSTEM.CURSOR_ITEM) IS NOT NULL
THEN
NEXT_ITEM;
ELSE
mess(GET_ITEM_PROPERTY(:SYSTEM.CURSOR_ITEM,PROMPT_TEXT)||' Must Be Entered...');
END IF;
END IF;
END;
Thanks
Ravi

Answer 1

Hi Ravi
u may need to debug to find out where and when the error exist pls note the following
Error Message: FRM-40357: Invalid string in example record. Query not issued.Error Cause:In query mode, you entered an invalid ALPHA or CHAR value in the example record.
Action:Correct the entry and retry the query. Level: >25
Type: Errorpls verifying that u r entering 1 char for global variable to be assigned so any number between 2single coat is considered a character not s number .
Amatu Allah