Resolve issue:

column_type_list for table - LSW_PO_DEPENDENCY: "START_SEQ_NUM"
NUMBER(19),"END_SEQ_NUM" NUMBER(19),"SOURCE_TYPE" NUMBER(4),"BRANCH_ID"
CHAR(36),"SOURCE_ID" CHAR(36),"SOURCE_LOCATION"
NVARCHAR2(2048),"TARGET_REF" CHAR(36)
ORA-00910: specified length too long for its datatype

NVARCHAR2 original is 1024