Ajax Error 500 undefined method `column_alias_for' on Self Hosted Instance

cobol
Community Member

Hello, this is my first question, Im trying this awesome LMS on lms.robotschool.co, but im getting this error at moment of list users as administrator:

Error de Ajax: 500

{"errors":[{"message":"An error occurred.","error_code":"internal_server_error"}],"error_report_id":"1992"}

#1999 undefined method `column_alias_for' for #<Enrollment::ActiveRecord_Relation:0x00005586473e53a0> Did you mean? column_name_for

cuenta: ROBOTSCHOOL
categoría: NoMethodError
creado a las: 2023-06-06 14:05:08 -0600
usuario: canvas@robotschool.co
solicitar identificación del contexto: 2e9f1db0-5604-4a5d-8f10-800f72d29218

Spoiler
HTTP_ACCEPT: application/json, text/javascript, application/json+canvas-string-ids, */*; q=0.01
HTTP_ACCEPT_ENCODING: gzip, deflate
HTTP_HOST: lms.robotschool.co
HTTP_REFERER: http://lms.robotschool.co/accounts/1?
HTTP_USER_AGENT: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/113.0
PATH_INFO: /api/v1/accounts/1/courses
QUERY_STRING: ?sort=sis_course_id&order=asc&search_by=course&include%5B%5D=total_students&include%5B%5D=active_teachers&include%5B%5D=subaccount&include%5B%5D=term&include%5B%5D=concluded&include%5B%5D=ui_invoked&teacher_limit=25&per_page=15&no_avatar_fallback=1
REMOTE_ADDR: 200.119.125.222
REQUEST_METHOD: GET
REQUEST_URI: http://lms.robotschool.co/api/v1/accounts/1/courses?sort=sis_course_id&order=asc&search_by=course&in...
SERVER_NAME: lms.robotschool.co
SERVER_PORT: 80
SERVER_PROTOCOL: HTTP/1.1
format: application/json
hostname: lms
meta_headers: o=accounts;n=courses_api;t=Account;i=1;
path_parameters: {:format=>"json", :controller=>"accounts", :action=>"courses_api", :account_id=>"1"}
pid: 13002
query_parameters: {"sort"=>"sis_course_id", "order"=>"asc", "search_by"=>"course", "include"=>["total_students", "active_teachers", "subaccount", "term", "concluded", "ui_invoked"], "teacher_limit"=>"25", "per_page"=>"15", "no_avatar_fallback"=>"1"}
request_id: 2e9f1db0-5604-4a5d-8f10-800f72d29218
request_parameters: {}
response_code: 500
session_id: b5591de470b0420b65dae34d882b5f55

Could you help me please? i don't know how to solve this error 500 on a self hosted instance.

Thanks a lot!

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