App not starting up on Galaxy - Error: Cannot find module 'merge'

I’m trying to deploy an update to Galaxy however, app startup crashes. Might this be related to the scheduled infrastructure upgrade?

The error I’m getting is:

2017-03-22 10:47:11+02:00/app/bundle/programs/server/node_modules/fibers/future.js:280
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2017-03-22 10:47:11+02:00	throw(ex);
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2017-03-22 10:47:11+02:00	^
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2017-03-22 10:47:11+02:00
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2017-03-22 10:47:11+02:00Error: Cannot find module 'merge'
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2017-03-22 10:47:11+02:00 at Function.Module._resolveFilename (module.js:325:15)
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2017-03-22 10:47:11+02:00 at Function.Module._load (module.js:276:25)
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2017-03-22 10:47:11+02:00 at Module.require (module.js:353:17)
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2017-03-22 10:47:11+02:00 at require (internal/module.js:12:17)
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2017-03-22 10:47:11+02:00 at Object.<anonymous> (/app/bundle/programs/server/npm/node_modules/reactcss/lib/deprecated/merge.js:1:154)
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2017-03-22 10:47:11+02:00 at Module._compile (module.js:409:26)
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2017-03-22 10:47:11+02:00 at Object.Module._extensions..js (module.js:416:10)
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2017-03-22 10:47:11+02:00 at Module.load (module.js:343:32)
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2017-03-22 10:47:11+02:00 at Function.Module._load (module.js:300:12)
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2017-03-22 10:47:11+02:00 at Module.require (module.js:353:17)
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2017-03-22 10:47:11+02:00 at require (internal/module.js:12:17)
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2017-03-22 10:47:11+02:00 at Object.<anonymous> (/app/bundle/programs/server/npm/node_modules/reactcss/lib/deprecated/combine.js:1:177)
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2017-03-22 10:47:11+02:00 at Module._compile (module.js:409:26)
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2017-03-22 10:47:11+02:00 at Object.Module._extensions..js (module.js:416:10)
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2017-03-22 10:47:11+02:00 at Module.load (module.js:343:32)
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2017-03-22 10:47:11+02:00 at Function.Module._load (module.js:300:12)

Is this related to my npm versions?

Resolved. So must have been related to the upgrade.

Thought this was resolved, but getting the same again. anyone know if it might be related to the upgrade as it is now completed? or is it definitely npm module related?