package XXX is not in GOROOT when building a Go project
You may have GO111MODULE set “on”, which will be on the go mod. Turning off the GO111MODULE may resolve this problem.
go env -w GO111MODULE=offSEO e-commerce Website Server Code Construction
You may have GO111MODULE set “on”, which will be on the go mod. Turning off the GO111MODULE may resolve this problem.
go env -w GO111MODULE=off
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