it looks like it is trying to Q for assessments while there are no applications yet:

$ python3.10 tackle -v -w -i -c ~/tackle-config.yml.example import
uerying: http://192.168.39.130/hub/stakeholdergroups
Response: []
Checking stakeholders in destination Tackle2..
Querying: http://192.168.39.130/hub/stakeholders
Response: []
Checking businessservices in destination Tackle2..
Querying: http://192.168.39.130/hub/businessservices
Response: []
Checking applications in destination Tackle2..
Querying: http://192.168.39.130/hub/applications
Response: []
Querying: http://192.168.39.130/pathfinder/assessments?applicationId=3