You cannot set the body to a text value without a charset

Description

TracedError reported from New Relic
Application: prod-edge-edxapp-lms
https://rpm.newrelic.com/accounts/88178/applications/3415687/filterable_errors.fccf6e11-9a3f-11e7-b844-0242ac11000f_4557_9713#/show/fccf6e11-9a3f-11e7-b844-0242ac11000f_4557_9713/stack_trace

Timestamp: September 15, 2017 10:01
Exception Class: exceptions:TypeError
Error Action: /XBlock/Handler/CapaDescriptorWithMixins.xmodule_handler/problem_check
Uri: /courses/course-v1:UBC+PHYS100+2017W1/xblock/block-v1:UBC+PHYS100+2017W1+type@problem+block@df26dd180d5a48b6a7af24f4181ad579/handler/xmodule_handler/problem_check

Steps to Reproduce

None

Current Behavior

None

Expected Behavior

None

Reason for Variance

None

Release Notes

None

User Impact Summary

None

Assignee

Unassigned

Reporter

New Relic

Reach

None

Impact

None

Platform Area

None

Customer

None

Partner Manager

None

URL

None

Contributor Name

None

Groups with Read-Only Access

None

Story Points

None

Actual Points

None

Category of Work

None

Platform Map Area (Levels 1 & 2)

None

Platform Map Area (Levels 3 & 4)

None

Priority

CAT-3
Configure