SYNTAX_ERROR: line 26:7: Unexpected parameters (varchar) for function substr

SELECT T1."PDC_CODE" "c1", substr(cast(T2."RECEIVING_DATE" as varchar)) "c2", sum(T2."QTY_RECEIVED") "c3", T3."SUPPLIER_SOURCE" "c4"

SYNTAX_ERROR: line 26:7: Unexpected parameters (varchar) for function substr. Expected: substr(varchar(x), bigint, bigint) , substr(varchar(x), bigint) , substr(char(x), bigint) , substr(char(x), bigint, bigint) , substr(varbinary, bigint, bigint) , substr(varbinary, bigint)