Dear sir or madam,

I am using galaxy public server and I am trying to build a custom genome using the function "custom Builds" in "user" section. 
I specified the Name, Key and uploaded the genome fasta file also the chromosome length file. But when I click "submit", galaxy gave an error information like that:
""
Server Error:
An error occurred. See the error logs for more information. (Turn debug on to display exception reports here) 
""
I don't know where to find the error logs and how to turn debug on. Could you tell me how to fix the problem and upload the custom builds?
Thanks a lot!

Pengfei
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Pengfei Yu
Center of Biophysics and Computational Biology
University of Illinois Urbana-Champaign
Illinois, 61820, US
Cell phone: 217-898-6301