While clearing caches or importing configuration via CLI, i get the warning. [warning] Undefined array key "invalidation" purge_tokens.module:64
[warning] Undefined array key "invalidation" purge_tokens.module:64
Active
3.0
Code
I would also test $data['invalidations'] a few lines below
@jossensei: good point and thanks for the patch. I've added the missing check to the Merge Request.