Automatic raids returning nothing

I have noticed today that if I send a raid to a 1 hour away warehouse on automatic raid they sometimes come back with resources that never goes into storage. I just received 300 cloth in a raid and had 113 already but I still only have 113.

It is possible I am getting confused with the raids I run personally and arrive later then the resources they should be carrying back and not teleport delivering but I am pretty sure after 3 times that this may be a new glitch.
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