I have the following errors when i try to create a user via a procedure

ORA-01031: insufficient privileges
ORA-06512: at "SYS.DBMS_SYS_SQL", line 826
ORA-06512: at "SYS.DBMS_SQL", line 32
ORA-06512: at "TOM.P_NEW_USER", line 6
ORA-06512: at line 1


The line 6 points to DBMS_SQL.PARSE()


Do you know how to solve it?

I use Oracle 9i R2
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