docker-compose build fails on COPY data step

[sohamda]

docker-compose build step fails on COPY data folder step.

Error snippet:
=> ERROR [application 9/9] COPY data/ /app/data 0.0s

[application 9/9] COPY data/ /app/data:

---

failed to solve: failed to compute cache key: failed to calculate checksum of ref 2359ccab-9e50-4195-8bc0-59ca300dfbc8::utjfkr4yyofq74p0uwnalo8u9: "/data": not found

docker-compose version - 2.19.1
windows 11

[sohamda]

adding an empty data folder inside application solved this issue. But I wonder why the step was added in the first place?