I am using duplicacy copy to copy over a backup from computer A to computer B. It used to work, but now I get the error:
2025-12-29 10:54:15.638 ERROR DOWNLOAD_CHUNK Chunk bd9ab7ef6e44b09e0819127ee754cd6b2248dddc2eb787f16df4769b238985a0 can't be found
Here is the entire verbose log:
duplicacy -verbose -log copy -from MY_SFTP_SERVER -to LOCAL_DISK
2025-12-29 10:54:15.579 INFO STORAGE_SET Source storage set to sftp://<MY_SFTP_SERVER>
2025-12-29 10:54:15.592 TRACE CONFIG_ITERATIONS Using 16384 iterations for key derivation
2025-12-29 10:54:15.601 INFO STORAGE_SET Destination storage set to Q:\<MY_STORAGE_DESTINATION>
2025-12-29 10:54:15.602 TRACE CONFIG_ITERATIONS Using 16384 iterations for key derivation
2025-12-29 10:54:15.609 TRACE SNAPSHOT_LIST_IDS Listing all snapshot ids
2025-12-29 10:54:15.611 TRACE SNAPSHOT_LIST_REVISIONS Listing revisions for snapshot <MY_SNAPSHOT_ID>
2025-12-29 10:54:15.613 INFO SNAPSHOT_EXIST Snapshot <MY_SNAPSHOT_ID> at revision 1 already exists at the destination storage
2025-12-29 10:54:15.613 INFO SNAPSHOT_EXIST Snapshot <MY_SNAPSHOT_ID> at revision 2 already exists at the destination storage
2025-12-29 10:54:15.615 TRACE SNAPSHOT_COPY Copying snapshot <MY_SNAPSHOT_ID> at revision 3
2025-12-29 10:54:15.619 TRACE SNAPSHOT_COPY Copying snapshot <MY_SNAPSHOT_ID> at revision 4
2025-12-29 10:54:15.620 TRACE LIST_FILES Listing chunks/
2025-12-29 10:54:15.620 TRACE LIST_FILES Listing chunks/ff/
2025-12-29 10:54:15.620 TRACE LIST_FILES Listing chunks/fd/
2025-12-29 10:54:15.620 TRACE LIST_FILES Listing chunks/fb/
2025-12-29 10:54:15.620 TRACE LIST_FILES Listing chunks/fa/
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2025-12-29 10:54:15.621 TRACE LIST_FILES Listing chunks/f7/
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2025-12-29 10:54:15.621 TRACE LIST_FILES Listing chunks/f1/
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2025-12-29 10:54:15.622 TRACE LIST_FILES Listing chunks/e2/
2025-12-29 10:54:15.622 TRACE LIST_FILES Listing chunks/e0/
2025-12-29 10:54:15.622 TRACE LIST_FILES Listing chunks/df/
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2025-12-29 10:54:15.622 TRACE LIST_FILES Listing chunks/d9/
2025-12-29 10:54:15.622 TRACE LIST_FILES Listing chunks/d8/
2025-12-29 10:54:15.622 TRACE LIST_FILES Listing chunks/d4/
2025-12-29 10:54:15.622 TRACE LIST_FILES Listing chunks/d3/
2025-12-29 10:54:15.622 TRACE LIST_FILES Listing chunks/d2/
2025-12-29 10:54:15.622 TRACE LIST_FILES Listing chunks/d1/
2025-12-29 10:54:15.622 TRACE LIST_FILES Listing chunks/ce/
2025-12-29 10:54:15.623 TRACE LIST_FILES Listing chunks/cd/
2025-12-29 10:54:15.623 TRACE LIST_FILES Listing chunks/cb/
2025-12-29 10:54:15.623 TRACE LIST_FILES Listing chunks/ca/
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2025-12-29 10:54:15.634 INFO SNAPSHOT_COPY Chunks to copy: 2, to skip: 240, total: 242
2025-12-29 10:54:15.638 ERROR DOWNLOAD_CHUNK Chunk bd9ab7ef6e44b09e0819127ee754cd6b2248dddc2eb787f16df4769b238985a0 can't be found