Teacher can't grade for submission-SGA

After upload the assignment by student.When teacher tries to grade it nothing happens.Changes are not saved.
In my log I am getting the following error:

Location : /edx/var/log/supervisor/lms-stderr.log

NotFoundError: No transcript for en language
2021-02-17 02:30:01,892 INFO 2977 [openedx.core.lib.log_utils] log_utils.py:36 - ApiKeyHeaderPermission used: ip=“xxx.x.x.x”, path="/notifier_api/v1/users/"
2021-02-17 02:35:02,313 INFO 2977 [openedx.core.lib.log_utils] log_utils.py:36 - ApiKeyHeaderPermission used: ip=“xxx.x.x.x”, path="/notifier_api/v1/users/"
2021-02-17 02:40:02,764 INFO 2977 [openedx.core.lib.log_utils] log_utils.py:36 - ApiKeyHeaderPermission used: ip=“xxx.x.x.x”, path="/notifier_api/v1/users/"
2021-02-17 02:45:03,216 INFO 2985 [openedx.core.lib.log_utils] log_utils.py:36 - ApiKeyHeaderPermission used: ip=“xxx.x.x.x”, path="/notifier_api/v1/users/"
2021-02-17 02:50:03,669 INFO 2977 [openedx.core.lib.log_utils] log_utils.py:36 - ApiKeyHeaderPermission used: ip=“xxx.x.x.x”, path="/notifier_api/v1/users/"
2021-02-17 02:55:04,126 INFO 2993 [openedx.core.lib.log_utils] log_utils.py:36 - ApiKeyHeaderPermission used: ip=“xxx.x.x.x”, path="/notifier_api/v1/users/"
2021-02-17 03:00:04,562 INFO 2993 [openedx.core.lib.log_utils] log_utils.py:36 - ApiKeyHeaderPermission used: ip=“xxx.x.x.x”, path="/notifier_api/v1/users/"
2021-02-17 03:05:05,099 INFO 2985 [openedx.core.lib.log_utils] log_utils.py:36 - ApiKeyHeaderPermission used: ip=“xxx.x.x.x”, path="/notifier_api/v1/users/"
2021-02-17 03:10:00,454 INFO 2994 [openedx.core.lib.log_utils] log_utils.py:36 - ApiKeyHeaderPermission used: ip=“xxx.x.x.x”, path="/notifier_api/v1/users/"
2021-02-17 03:15:00,900 INFO 2992 [openedx.core.lib.log_utils] log_utils.py:36 - ApiKeyHeaderPermission used: ip=“xxx.x.x.x”, path="/notifier_api/v1/users/"
2021-02-17 03:20:01,328 INFO 2977 [openedx.core.lib.log_utils] log_utils.py:36 - ApiKeyHeaderPermission used: ip=“xxx.x.x.x”, path="/notifier_api/v1/users/"
2021-02-17 03:25:01,759 INFO 2970 [openedx.core.lib.log_utils] log_utils.py:36 - ApiKeyHeaderPermission used: ip=“xxx.x.x.x”, path="/notifier_api/v1/users/"
2021-02-17 03:30:02,215 INFO 2970 [openedx.core.lib.log_utils] log_utils.py:36 - ApiKeyHeaderPermission used: ip=“xxx.x.x.x”, path="/notifier_api/v1/users/"
2021-02-17 03:35:02,661 INFO 2970 [openedx.core.lib.log_utils] log_utils.py:36 - ApiKeyHeaderPermission used: ip=“xxx.x.x.x”, path="/notifier_api/v1/users/"
2021-02-17 03:40:03,101 INFO 2980 [openedx.core.lib.log_utils] log_utils.py:36 - ApiKeyHeaderPermission used: ip=“xxx.x.x.x”, path="/notifier_api/v1/users/"
2021-02-17 03:45:03,549 INFO 2980 [openedx.core.lib.log_utils] log_utils.py:36 - ApiKeyHeaderPermission used: ip=“xxx.x.x.x”, path="/notifier_api/v1/users/"
2021-02-17 03:50:03,993 INFO 2994 [openedx.core.lib.log_utils] log_utils.py:36 - ApiKeyHeaderPermission used: ip=“xxx.x.x.x”, path="/notifier_api/v1/users/"
2021-02-17 03:51:51,498 WARNING 2994 [py.warnings] locator.py:863 - /edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/edx_sga/sga.py:581: DeprecationWarning: Name is no longer supported as a property of Locators. Please use the block_id property.
“id”: self.location.name.replace(’.’, ‘_’),

2021-02-17 03:51:51,503 WARNING 2994 [py.warnings] fragment.py:23 - /edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/edx_sga/sga.py:589: DeprecationWarning: xblock.fragment is deprecated. Please use web_fragments.fragment instead
fragment = Fragment()

2021-02-17 03:51:54,285 ERROR 2993 [xmodule.video_module.video_handlers] video_handlers.py:343 - [Translation Dispatch] block-v1:CED+SC2021G2001G001+SC-2021-G2-001+type@video+block@1be98f7cca4943f7a24636924f86aa3a
Traceback (most recent call last):
File “/edx/app/edxapp/edx-platform/common/lib/xmodule/xmodule/video_module/video_handlers.py”, line 332, in transcript
youtube_id=request.GET.get(‘videoId’),
File “/edx/app/edxapp/edx-platform/common/lib/xmodule/xmodule/video_module/transcripts_utils.py”, line 1018, in get_transcript
transcripts_info=transcripts_info
File “/edx/app/edxapp/edx-platform/common/lib/xmodule/xmodule/video_module/transcripts_utils.py”, line 64, in wrapper
return func(*args, **kwds)
File “/edx/app/edxapp/edx-platform/common/lib/xmodule/xmodule/video_module/transcripts_utils.py”, line 971, in get_transcript_from_contentstore
lang=language
NotFoundError: No transcript for en language
2021-02-17 03:55:04,433 INFO 2970 [openedx.core.lib.log_utils] log_utils.py:36 - ApiKeyHeaderPermission used: ip=“xxx.x.x.x”, path="/notifier_api/v1/users/"

Location:/edx/var/log/lms/edx.log

error: [Errno 104] Connection reset by peer Feb 17 14:30:53 ip-172-31-xx-xxx[service_variant=lms][django.request][env:sandbox] ERROR [ip-172-31-xx-xxx 2992] [exception.py:135] - Internal Server Error: /courses/course-v1:CED+SC2021G2001G001+SC-2021-G2-001/xblock/block-v1:CED+SC2021G2001G001+SC-2021-G2-001+type@edx_sga+block@91ca842e2ca3451a92d1e96242e0ef55/handler/enter_grade Traceback (most recent call last): File “/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/django/core/handlers/exception.py”, line 41, in inner response = get_response(request) File “/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/django/core/handlers/base.py”, line 249, in _legacy_get_response response = self._get_response(request) File “/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/django/core/handlers/base.py”, line 187, in _get_response response = self.process_exception_by_middleware(e, request) File “/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/django/core/handlers/base.py”, line 185, in _get_response response = wrapped_callback(request, *callback_args, **callback_kwargs) File “/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/django/utils/decorators.py”, line 185, in inner return func(*args, **kwargs) File “/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/django/views/decorators/csrf.py”, line 58, in wrapped_view return view_func(*args, **kwargs) File “/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/django/views/decorators/clickjacking.py”, line 58, in wrapped_view resp = view_func(*args, **kwargs) File “/edx/app/edxapp/edx-platform/lms/djangoapps/courseware/module_render.py”, line 1061, in handle_xblock_callback return _invoke_xblock_handler(request, course_id, usage_id, handler, suffix, course=course) File “/edx/app/edxapp/edx-platform/lms/djangoapps/courseware/module_render.py”, line 1185, in _invoke_xblock_handler resp = handler_instance.handle(handler, req, suffix) File “/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/xblock/mixins.py”, line 89, in handle return self.runtime.handle(self, handler_name, request, suffix) File “/edx/app/edxapp/edx-platform/common/lib/xmodule/xmodule/x_module.py”, line 1365, in handle return super(MetricsMixin, self).handle(block, handler_name, request, suffix=suffix) File “/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/xblock/runtime.py”, line 1037, in handle results = handler(request, suffix) File “/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/edx_sga/sga.py”, line 434, in enter_grade submissions_api.set_score(uuid, score, self.max_score()) File “/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/submissions/api.py”, line 916, in set_score created_at=score_model.created_at, File “/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/django/dispatch/dispatcher.py”, line 193, in send for receiver in self._live_receivers(sender) File “/edx/app/edxapp/edx-platform/lms/djangoapps/grades/signals/handlers.py”, line 75, in submissions_score_set_handler score_db_table=ScoreDatabaseTableEnum.submissions,

File “/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/celery/app/base.py”, line 354, in send_task reply_to=reply_to or self.oid, options File “/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/celery/app/amqp.py”, line 310, in publish_task kwargs File “/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/kombu/messaging.py”, line 172, in publish routing_key, mandatory, immediate, exchange, declare) File “/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/kombu/connection.py”, line 470, in _ensured interval_max) File “/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/kombu/connection.py”, line 382, in ensure_connection interval_start, interval_step, interval_max, callback) File “/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/kombu/utils/init.py”, line 246, in retry_over_time return fun(*args, kwargs) File “/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/kombu/connection.py”, line 250, in connect return self.connection File “/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/kombu/connection.py”, line 756, in connection self._connection = self._establish_connection() File “/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/kombu/connection.py”, line 711, in _establish_connection conn = self.transport.establish_connection() File “/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/kombu/transport/pyamqp.py”, line 116, in establish_connection conn = self.Connection(opts) File “/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/amqp/connection.py”, line 180, in init (10, 30), # tune File “/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/amqp/abstract_channel.py”, line 67, in wait self.channel_id, allowed_methods, timeout) File “/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/amqp/connection.py”, line 241, in _wait_method channel, method_sig, args, content = read_timeout(timeout) File “/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/amqp/connection.py”, line 330, in read_timeout return self.method_reader.read_method() File “/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/amqp/method_framing.py”, line 189, in read_method raise m error: [Errno 104] Connection reset by peer Feb 17 14:31:22 ip-172-31-xx-xxx [service_variant=lms][celery.worker.consumer][env:sandbox] ERROR [ip-172-31-xx-xxx 2304] [consumer.py:366] - consumer: Cannot connect to amqp://celery:@xxx.x.x.x:5672//: [Errno 104] Connection reset by peer. Trying again in 32.00 seconds… Feb 17 14:31:22 ip-172-31-xx-xxx [service_variant=lms][celery.worker.consumer][env:sandbox] ERROR [ip-172-31-xx-xxx 2319] [consumer.py:366] - consumer: Cannot connect to amqp://celery:@xxx.x.x.x:5672//: [Errno 104] Connection reset by peer. Trying again in 32.00 seconds… Feb 17 14:31:22 ip-172-31-xx-xxx [service_variant=lms][celery.worker.consumer][env:sandbox] ERROR [ip-172-31-xx-xxx 2318] [consumer.py:366] - consumer: Cannot connect to amqp://celery:@xxx.x.x.x:5672//: [Errno 104] Connection reset by peer. Trying again in 32.00 seconds… Feb 17 14:31:57 ip-172-31-xx-xxx [service_variant=lms][celery.worker.consumer][env:sandbox] ERROR [ip-172-31-xx-xxx 2304] [consumer.py:366] - consumer: Cannot connect to amqp://celery:@xxx.x.x.x:5672//: [Errno 104] Connection reset by peer. Trying again in 32.00 seconds… Feb 17 14:31:57 ip-172-31-xx-xxx [service_variant=lms][celery.worker.consumer][env:sandbox] ERROR [ip-172-31-xx-xxx 2319] [consumer.py:366] - consumer: Cannot connect to amqp://celery:@xxx.x.x.x:5672//: [Errno 104] Connection reset by peer. Trying again in 32.00 seconds… Feb 17 14:31:57 ip-172-31-xx-xxx [service_variant=lms][celery.worker.consumer][env:sandbox] ERROR [ip-172-31-xx-xxx 2318] [consumer.py:366] - consumer: Cannot connect to amqp://celery:@xxx.x.x.x:5672//: [Errno 104] Connection reset by peer. Trying again in 32.00 seconds…

for the last exception, you need to check that celery workers are up and running.
Check out this article section “Celery configuration problems”