Can this script still be used? I have the following problem

[simentree]

Traceback (most recent call last):
File "C:\Users\user\upmyfee\upmyfee.py", line 148, in
upmyfee.change_fee(payer, to, txid, fee, debug)
File "C:\Users\user\upmyfee\upmyfee.py", line 87, in change_fee
vin, vout, orig_fee, fee_diff, orig_amount, new_amount = self.get_new_tx(orig_tx, payer, to, fee)
File "C:\Users\user\upmyfee\upmyfee.py", line 27, in get_new_tx
vins_sum_amounts = sum([self.get_tx_amount(t['txid']) for t in orig_vins])
File "C:\Users\user\upmyfee\upmyfee.py", line 27, in
vins_sum_amounts = sum([self.get_tx_amount(t['txid']) for t in orig_vins])
File "C:\Users\user\upmyfee\upmyfee.py", line 17, in get_tx_amount
return self.api.gettransaction(txid)['amount']
File "C:\Users\user\upmyfee\authproxy.py", line 90, in call
raise JSONRPCException(response['error'])
authproxy.JSONRPCException: -5: Invalid or non-wallet transaction id