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При развертывании моего django-приложения в heroku я получаю эту ошибку.Я отключил collectstatic, и он нажал, но когда я зашел на сайт, он не работал.Я много чего перепробовал, но, похоже, ничего не работает

 Post-processing 'vendors/owl-carousel/assets/owl.carousel.css' failed!

Traceback (most recent call last):
  File "manage.py", line 21, in <module>
    main()
  File "manage.py", line 17, in main
    execute_from_command_line(sys.argv)
  File "/app/.heroku/python/lib/python3.6/site-packages/django/core/management/__init__.py", line 381, in execute_from_command_line
    utility.execute()
  File "/app/.heroku/python/lib/python3.6/site-packages/django/core/management/__init__.py", line 375, in execute
    self.fetch_command(subcommand).run_from_argv(self.argv)
  File "/app/.heroku/python/lib/python3.6/site-packages/django/core/management/base.py", line 323, in run_from_argv
    self.execute(*args, **cmd_options)
  File "/app/.heroku/python/lib/python3.6/site-packages/django/core/management/base.py", line 364, in execute
    output = self.handle(*args, **options)
  File "/app/.heroku/python/lib/python3.6/site-packages/django/contrib/staticfiles/management/commands/collectstatic.py", line 188, in handle
    collected = self.collect()
  File "/app/.heroku/python/lib/python3.6/site-packages/django/contrib/staticfiles/management/commands/collectstatic.py", line 134, in collect
    raise processed
whitenoise.storage.MissingFileError: The file 'vendors/owl-carousel/assets/owl.video.play.png' could not be found with <whitenoise.storage.CompressedManifestStaticFilesStorage object at 0x7f580a2b32e8>.

The CSS file 'vendors/owl-carousel/assets/owl.carousel.css' references a file which could not be found:
  vendors/owl-carousel/assets/owl.video.play.png

Please check the URL references in this CSS file, particularly any
relative paths which might be pointing to the wrong location.
  

мой settings.py выглядит так

 """
Django settings for personal_portfolio project.

Generated by 'django-admin startproject' using Django 2.2.4.

For more information on this file, see
https://docs.djangoproject.com/en/2.2/topics/settings/

For the full list of settings and their values, see
https://docs.djangoproject.com/en/2.2/ref/settings/
"""
import django_heroku
import os

# Build paths inside the project like this: os.path.join(BASE_DIR, ...)
BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))


# Quick-start development settings - unsuitable for production
# See https://docs.djangoproject.com/en/2.2/howto/deployment/checklist/

# SECURITY WARNING: keep the secret key used in production secret!
SECRET_KEY = 'y5hmuk*-4*%wor)ek2up w x!yx8l40j*n93#1zn!p66)k=c#2'

# SECURITY WARNING: don't run with debug turned on in production!
DEBUG = True

ALLOWED_HOSTS = []


# Application definition

INSTALLED_APPS = [
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',

    'ckeditor',
    'ckeditor_uploader',

    'blog',
    'portfolio'
]

MIDDLEWARE = [
    'django.middleware.security.SecurityMiddleware',
    'django.contrib.sessions.middleware.SessionMiddleware',
    'django.middleware.common.CommonMiddleware',
    'django.middleware.csrf.CsrfViewMiddleware',
    'django.contrib.auth.middleware.AuthenticationMiddleware',
    'django.contrib.messages.middleware.MessageMiddleware',
    'django.middleware.clickjacking.XFrameOptionsMiddleware',
]

ROOT_URLCONF = 'personal_portfolio.urls'

TEMPLATES = [
    {
        'BACKEND': 'django.template.backends.django.DjangoTemplates',
        'DIRS': ['templates'],
        'APP_DIRS': True,
        'OPTIONS': {
            'context_processors': [
                'personal_portfolio.custom_context.blog_context',
                'personal_portfolio.custom_context.portfolio_context',
                'django.template.context_processors.debug',
                'django.template.context_processors.request',
                'django.contrib.auth.context_processors.auth',
                'django.contrib.messages.context_processors.messages',
            ],
        },
    },
]

WSGI_APPLICATION = 'personal_portfolio.wsgi.application'


# Database
# https://docs.djangoproject.com/en/2.2/ref/settings/#databases

# DATABASES = {
#     'default': {
#         'ENGINE': 'django.db.backends.postgresql_psycopg2',
#         'NAME': 'portfolio_db',
#         'USER': 'sajib1066',
#         'PASSWORD': 'sajib1099',
#         'HOST': 'localhost',
#         'PORT': '',
#     }
# }

DATABASES = {
    'default': {
        'ENGINE': 'django.db.backends.sqlite3',
        'NAME': os.path.join(BASE_DIR, 'db.sqlite3'),
    }
}

# Password validation
# https://docs.djangoproject.com/en/2.2/ref/settings/#auth-password-validators

AUTH_PASSWORD_VALIDATORS = [
    {
        'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
    },
    {
        'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',
    },
    {
        'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
    },
    {
        'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',
    },
]


# Internationalization
# https://docs.djangoproject.com/en/2.2/topics/i18n/

LANGUAGE_CODE = 'en-us'

TIME_ZONE = 'UTC'

USE_I18N = True

USE_L10N = True

USE_TZ = True


# Static files (CSS, JavaScript, Images)
# https://docs.djangoproject.com/en/2.2/howto/static-files/

# static files
STATIC_URL = '/static/'
STATICFILES_DIRS = [
  os.path.join(BASE_DIR, 'static'),
]

# media files

MEDIA_URL = '/media/'
MEDIA_ROOT = os.path.join(BASE_DIR, 'media')

CKEDITOR_JQUERY_URL = 'https://ajax.googleapis.com/ajax/libs/jquery/2.2.4/jquery.min.js'

CKEDITOR_UPLOAD_PATH = "uploads/"
CKEDITOR_CONFIGS = {
    'default': {
        'toolbar': None,
    },
}


# Activate Django-Heroku.
django_heroku.settings(locals())
  

Я много пытался, чтобы это сработало, но я не могу понять, что не так.Пожалуйста, помогите!

причина в том, что вы не указали какое-либо указанное статическое корневое местоположение, вот почему сделайте одну вещь, добавьте это в свой settings.py в конце и повторите попытку, вот и все

 STATIC_ROOT = os.path.join(BASE_DIR, 'static_root')