SQL & PL/SQL

Hi When i am running the below script
i am gettin gerror like Invalid directory path.
Can you please help me out how to check the path by using dbms_ouput.
error : ORA-29280: invalid directory path
ORA-06512: at line 34

DECLARE
 l_out_file  UTL_FILE.file_type;
 g_convert_crlf  BOOLEAN := TRUE;
 P_DATA VARCHAR2(32767);
  l_buffer    VARCHAR2(32767);
  l_amount    BINARY_INTEGER := 32767;
  l_pos       INTEGER := 1;
  p_file varchar2(2345);
  P_DIR VARCHAR2(34);
  l_clob_len  INTEGER;
BEGIN
  l_clob_len := DBMS_LOB.getlength(p_data);
  dbms_output.put_line (p_data);

  l_out_file := UTL_FILE.fopen(p_dir, p_file, 'w', 32767);
  
  WHILE l_pos < l_clob_len LOOP
    DBMS_LOB.read (p_data, l_amount, l_pos, l_buffer);
    IF g_convert_crlf THEN
      l_buffer := REPLACE(l_buffer, CHR(13), NULL);
    END IF;

    UTL_FILE.put(l_out_file, l_buffer);
    UTL_FILE.fflush(l_out_file);
    l_pos := l_pos + l_amount;
  END LOOP;
  
  UTL_FILE.fclose(l_out_file);
EXCEPTION
  WHEN OTHERS THEN
    IF UTL_FILE.is_open(l_out_file) THEN
      UTL_FILE.fclose(l_out_file);
    END IF;
    RAISE;
END;