Rev. 2 code 01 is one of multiple older codes associated with Rev. 2.1 class 01 Crop and animal production, hunting and related service activities.
Potential impact
Datasets, CRM segments, KYC rules, reporting logic, and historical joins may need review because the activity scope is not a simple unchanged carry-over.
What to check next
Confirm the target version field and update references where Rev. 2.1 is required.