ledger: give clear error that old HW.1 cannot send to bech32 address

maybe related #7022

electrum/plugins/ledger/ledger.py

@@ -7,7 +7,7 @@ from typing import Optional, Tuple
 from electrum import ecc
 from electrum import bip32
 from electrum.crypto import hash_160
-from electrum.bitcoin import int_to_hex, var_int, is_segwit_script_type
+from electrum.bitcoin import int_to_hex, var_int, is_segwit_script_type, is_b58_address
 from electrum.bip32 import BIP32Node, convert_bip32_intpath_to_strpath
 from electrum.i18n import _
 from electrum.keystore import Hardware_KeyStore
@@ -415,6 +415,8 @@ class Ledger_KeyStore(Hardware_KeyStore):
             if len(tx.outputs()) > 2:
                 self.give_error("Transaction with more than 2 outputs not supported")
         for txout in tx.outputs():
+            if client_electrum.is_hw1() and txout.address and not is_b58_address(txout.address):
+                self.give_error(_("This {} device can only send to base58 addresses.").format(self.device))
             if not txout.address:
                 if client_electrum.is_hw1():
                     self.give_error(_("Only address outputs are supported by {}").format(self.device))