# Build issues Help
**URL:** https://forum.mattermost.com/t/build-issues-help/2718
**Category:** Troubleshooting
**Created:** [January 8, 2017, 4:11pm UTC](https://forum.mattermost.com/t/build-issues-help/2718 "2017-01-08T16:11:45Z")
**Posts on this page:** 4
**Page:** 1
### Author:  [@Gramercy](https://forum.mattermost.com/u/Gramercy)
#### Post date: [January 8, 2017, 4:11pm UTC](https://forum.mattermost.com/t/build-issues-help/2718/1 "2017-01-08T16:11:45Z")
Here is the output, can someone please tell me where I’m going wrong please?
Starting docker containers Running client tests cd ./webapp && make test make[1]: Entering directory ‘/home/webuser/go/src/github.com/mattermost/platform/webapp’ cd … && make internal-test-web-client make[2]: Entering directory ‘/home/webuser/go/src/github.com/mattermost/platform’ Starting docker containers go run ./cmd/platform/\*go test web\_client\_tests import cycle not allowed package main imports bufio imports bytes imports errors imports runtime imports runtime/internal/atomic imports unsafe imports runtime import cycle not allowed package main imports [GitHub - alecthomas/log4go: Logging package similar to log4j for the Go programming language](http://github.com/alecthomas/log4go) imports net imports runtime/cgo imports runtime/cgo Makefile:236: recipe for target ‘internal-test-web-client’ failed make[2]: \*\*\* [internal-test-web-client]
Error 1 make[2]: Leaving directory ‘/home/webuser/go/src/github.com/mattermost/platform’ Makefile:11: recipe for target ‘test’ failed make[1]: \*\*\* [test] Error 2 make[1]: Leaving directory ‘/home/webuser/go/src/github.com/mattermost/platform/webapp’ Makefile:239: recipe for target ‘test-client’ failed make: \*\*\* [test-client] Error 2 "
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### Author:  [@jasonblais](https://forum.mattermost.com/u/jasonblais)
#### Post date: [January 9, 2017, 6:13am UTC](https://forum.mattermost.com/t/build-issues-help/2718/2 "2017-01-09T06:13:47Z")
Hey @Gramercy, are you using Docker or Docker preview?
Also, which operating system have you installed it?
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### Author:  [@Gramercy](https://forum.mattermost.com/u/Gramercy)
#### Post date: [January 9, 2017, 1:14pm UTC](https://forum.mattermost.com/t/build-issues-help/2718/3 "2017-01-09T13:14:51Z")
Hi Jason,
It is docker container under ubuntu 16.04 LTS.
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### Author:  [@compass](https://forum.mattermost.com/u/compass)
#### Post date: [January 11, 2017, 6:56pm UTC](https://forum.mattermost.com/t/build-issues-help/2718/4 "2017-01-11T18:56:40Z")
@Gramercy could you tell us a little bit more details? E.g. which repository are you using? which branch? Which command did you run? That will help us replicate the issue. Thanks.