I’m having an odd issue with my backups. When I try to access the page to manage them, and when I get Backup Status emails they contain this message:
Traceback (innermost last):
File "/usr/bin/duplicity", line 87, in <module>
with_tempdir(main)
File "/usr/bin/duplicity", line 70, in with_tempdir
fn()
File "/usr/lib/python3/dist-packages/duplicity/dup_main.py", line 1577, in main
do_backup(action)
File "/usr/lib/python3/dist-packages/duplicity/dup_main.py", line 1599, in do_backup
action).set_values()
File "/usr/lib/python3/dist-packages/duplicity/dup_collections.py", line 762, in set_values
backup_chains)
File "/usr/lib/python3/dist-packages/duplicity/dup_collections.py", line 775, in set_matched_chain_pair
sig_chains = sig_chains and self.get_sorted_chains(sig_chains)
File "/usr/lib/python3/dist-packages/duplicity/dup_collections.py", line 992, in get_sorted_chains
assert len(chain_list) == 2
AssertionError
Something is wrong with the backup: ERROR 30 AssertionError
. Traceback (innermost last):
. File "/usr/bin/duplicity", line 87, in <module>
. with_tempdir(main)
. File "/usr/bin/duplicity", line 70, in with_tempdir
. fn()
. File "/usr/lib/python3/dist-packages/duplicity/dup_main.py", line 1577, in main
. do_backup(action)
. File "/usr/lib/python3/dist-packages/duplicity/dup_main.py", line 1599, in do_backup
. action).set_values()
. File "/usr/lib/python3/dist-packages/duplicity/dup_collections.py", line 762, in set_values
. backup_chains)
. File "/usr/lib/python3/dist-packages/duplicity/dup_collections.py", line 775, in set_matched_chain_pair
. sig_chains = sig_chains and self.get_sorted_chains(sig_chains)
. File "/usr/lib/python3/dist-packages/duplicity/dup_collections.py", line 992, in get_sorted_chains
. assert len(chain_list) == 2
. AssertionError
.