TypeError: unsupported operand type(s) for +: 'int' and 'NoneType'

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Crash Report

This crash report was reported through the automatic crash reporting system 🤖

Traceback

Traceback (most recent call last):
  File "electrum\gui\qt\send_tab.py", line 571, in do_pay_or_get_invoice
  File "electrum\gui\qt\send_tab.py", line 514, in read_invoice
  File "electrum\gui\qt\send_tab.py", line 651, in check_payto_line_and_show_errors
  File "electrum\payment_identifier.py", line 670, in has_expired
TypeError: unsupported operand type(s) for +: 'int' and 'NoneType'

TypeError: unsupported operand type(s) for +: 'int' and 'NoneType'

Reporter

This issue was reported by 5 user(s):

Electrum Version	Python Version	Operating System	Wallet Type	Locale	Stack
4.5.5	3.10.11 (tags/v3.10.11:7d4cc5a, Apr 5 2023, 00:20:04) [MSC v.1929 32 bit (Intel)]	Windows-10-10.0.19045-SP0	standard	en_ZA	ℹ
4.5.5	3.10.11 (tags/v3.10.11:7d4cc5a, Apr 5 2023, 00:20:04) [MSC v.1929 32 bit (Intel)]	Windows-10-10.0.19045-SP0	standard	en_ZA	ℹ
4.5.5	3.10.11 (tags/v3.10.11:7d4cc5a, Apr 5 2023, 00:20:04) [MSC v.1929 32 bit (Intel)]	Windows-10-10.0.19045-SP0	standard	en_ZA	ℹ
4.5.5	3.10.11 (tags/v3.10.11:7d4cc5a, Apr 5 2023, 00:20:04) [MSC v.1929 32 bit (Intel)]	Windows-10-10.0.19045-SP0	standard	en_ZA	ℹ
4.5.5	3.10.11 (tags/v3.10.11:7d4cc5a, Apr 5 2023, 00:20:04) [MSC v.1929 32 bit (Intel)]	Windows-10-10.0.22631-SP0	standard	en_US	ℹ

Additional Information

It does'nt want to pay or save my send

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