Oracle dynamic SQL considerations ORA-00911: invalid characters

Lv_ SQL: ='
Insert into ETL_SUCESS_AMOUNT
Select SEQ_ OS _ETL_AMOUNTID.NEXTVAL AS AMOUNTID, 1, AMOUNT_DATA, AMOUNT_HOUR,
Serviceid, portalid, mouduleid, actionid, RESERVE1_ID, RESERVE2_ID, RESERVE3_ID,
RESERVE4_ID, AMOUNT, AMOUNT_TIME
From
(
Select
Trunc (INSERTTIME) AS AMOUNT_DATA,
TO_CHAR (INSERTTIME, ''hh24'') AS AMOUNT_HOUR,
Serviceid, portalid, mouduleid, actionid,
Null as RESERVE1_ID,
Null as RESERVE2_ID,
Null as RESERVE3_ID,
Null as RESERVE4_ID,
Count (*) as amount,
Sysdate as AMOUNT_TIME
From '| lv_table_name |'
Where inserttime> to_date (: 1, ''yyyy-mm-dd hh24: mi: s '')
And inserttime <to_date (: 2, ''yyyy-mm-dd hh24: mi: s '')
Group by trunc (INSERTTIME), TO_CHAR (INSERTTIME, ''hh24''), serviceid, mouduleid, portalid, actionid
)';
Execute immediate lv_ SQL USING p_sdate, p_edate;

-- A semicolon is not required in detailed dynamic statements.

-- The details (''hh24'') must be written in double quotes in a dynamic statement.

-- Details from '| lv_table_name |' pay attention to space characters between statements

-- Detailed usage parameters: 1 USING p_sdate, p_edate;