AttributeError: 'NoneType' object has no attribute 'set_rbf'

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Crash Report

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

Traceback

  File "electrum\gui\qt\history_list.py", line 596, in <lambda>
  File "electrum\gui\qt\main_window.py", line 3309, in cpfp

AttributeError: 'NoneType' object has no attribute 'set_rbf'

Reporter

This issue was reported by 4 user(s):

Electrum Version	Python Version	Operating System	Wallet Type	Locale	Stack
3.3.4	3.6.8 (tags/v3.6.8:3c6b436a57, Dec 23 2018, 23:31:17) [MSC v.1916 32 bit (Intel)]	Windows-10-10.0.17134	standard	en_US	ℹ
3.3.8	3.6.8 (default, Jun 28 2018, 19:01:02) [GCC 4.8.4]	Linux-4.18.0-25-generic-x86_64-with-debian-buster-sid	standard	de_DE	ℹ
4.0.9	3.7.9 (tags/v3.7.9:13c94747c7, Aug 17 2020, 18:01:55) [MSC v.1900 32 bit (Intel)]	Windows-10-10.0.18362-SP0	standard	en_US	ℹ
4.0.9	3.9.2 (default, Feb 28 2021, 17:03:44) [GCC 10.2.1 20210110]	Linux-5.10.0-13-amd64-x86_64-with-glibc2.31	standard	ru_RU	ℹ

Additional Information

The reporting user(s) did not provide additional information.