{"level":"error","message":"Error: Error 400 sourceText={}, body={{\"explanation\": \"That pair is not installed\", \"code\": 400, \"message\": \"Bad Request\", \"status\": \"error\"}}","timestamp":"2015-04-01T02:55:58.680Z"}
Mostly,
- Package is broken.
- Need to restart apertium-apy/cxserver.
In beta, MT for this works fine.