ORA-26723: user "string" requires the role

admin

ORA-26723: user "string" requires the role "string"
Cause: The caller did nothave the specified role or called the procedure from a
definer's rights package or procedure.
Action: Grant the specifiedrole to the caller. If the procedure is called from a
definer's rights package or procedure, change the definer's rights package or
procedure to an invoker's rights package or procedure. Or grant all theprivileges
for the specified role explicitly.