Backup job reportng no files to backup

I am having trouble getting a backup of my data under windows 10.

I created a backup task for Drive C: and then included two filters (also tried it with both individualy)
+Users/ivorf/Pictures/*
+Users/ivorf/OneDrive/Pictures/*

I check the file location in the Pictures folder properties, I get the following.
C:\Users\ivorf\OneDrive\Pictures

My backup always fails. What am I missing here?

Running backup command from C:\ProgramData/.duplicacy-web/repositories/localhost/0 to back up C:/
Options: [-log backup -storage B2-Backup -stats]
2021-12-12 18:24:09.353 INFO REPOSITORY_SET Repository set to C:/
2021-12-12 18:24:09.354 INFO STORAGE_SET Storage set to b2://flannery
2021-12-12 18:24:09.639 INFO BACKBLAZE_URL download URL is: https://f002.backblazeb2.com
2021-12-12 18:24:12.765 INFO BACKUP_START No previous backup found
2021-12-12 18:24:12.765 INFO BACKUP_INDEXING Indexing C:
2021-12-12 18:24:12.765 INFO SNAPSHOT_FILTER Parsing filter file \?\C:\ProgramData.duplicacy-web\repositories\localhost\0.duplicacy\filters
2021-12-12 18:24:12.766 INFO SNAPSHOT_FILTER Loaded 2 include/exclude pattern(s)
2021-12-12 18:24:12.766 ERROR SNAPSHOT_EMPTY No files under the repository to be backed up
No files under the repository to be backed up

Yet if I open the

Add to your filters before your rules:

+Users/
+Users/ivorf/

for duplicacy to look inside those folders for your actual filters to be applied.

It is described in the manual: Filters/Include exclude patterns

In my opinion duplicacy shall add those rules automatically and not force users to spoon feed it the obvious. But as of today this is not the case.