Your Submission to the Digital Mammography challenge, syn8110167 (ID 8161737), was invalid. The message is: preprossesing is not allowed in a training submission file. Please direct any questions to the challenge forum, https://www.synapse.org/#!Synapse:syn4224222/discussion How to fix it

Created by Dan Chen Error202
Hi Dan, If you want to pre-process your data, please submit a [pre-processing container](https://www.synapse.org/#!Synapse:syn4224222/wiki/401759). Thanks!

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