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My instance of Galaxy seems to be stuck (same place since last night) and I have received the error message several times now.  

Pasting the error message below:

Details

user

username

adeglincer

quota_percent

68

total_disk_usage

184947273683

nice_total_disk_usage

172.2 GB

email

xxx

is_admin

false

tags_used


model_class

User

id

xxx

source

HDACollection(xxx)

xhr

readyState

4

responseText

{"err_msg": "Uncaught exception in exposed API method:", "err_code": 0}

responseJSON

err_msg

Uncaught exception in exposed API method:

err_code

0

status

500

statusText

Internal Server Error

responseHeaders

Date

Thu, 24 Apr 2014 20:51:39 GMT

cache-control

max-age=0,no-cache,no-store

Server

nginx/1.4.7

Connection

keep-alive

Transfer-Encoding

chunked

Content-Type

application/json

options

data


parse

true

emulateHTTP

false

emulateJSON

false