On some Odoo Community V15 databases (Docker image) we are experiencing some problems with the website module.
This is causing us this error.
We have tried to update the website, ecommerce, database and themes modules.
Do you have any idea?

The style compilation failed, see the error below. Your recent actions may be the cause, please try reverting the changes you made.

Error: argument `$color` of `rgba($color, $alpha)` must be a color
        on line 291:22 of /stdin, in function `rgba`
        from line 291:22 of /stdin, in function `o-get-most-contrast`
        from line 152:13 of /stdin, in function `color-yiq`
        from line 20861:54 of /stdin

>> 

   ---------------------^
This error occured while compiling the bundle 'web.assets_backend' containing:
    - /web/static/lib/bootstrap/scss/_functions.scss
    - /web/static/lib/bootstrap/scss/_mixins.scss
    - /web/static/src/legacy/scss/bs_mixins_overrides.scss
    - /web/static/src/legacy/scss/utils.scss
    - /web/static/src/legacy/scss/primary_variables.scss
    - /mail/static/src/scss/variables/primary_variables.scss
    - /web_editor/static/src/scss/web_editor.variables.scss
    - /portal/static/src/scss/primary_variables.scss
    - /account/static/src/scss/variables.scss
    - /website/static/src/scss/primary_variables.scss
    - /website/static/src/scss/options/user_values.custom.web.assets_common.scss
    - /website/static/src/scss/options/colors/user_color_palette.custom.web.assets_common.scss
    - /website/static/src/scss/options/colors/user_gray_color_palette.scss
    - /website/static/src/scss/options/colors/user_theme_color_palette.custom.web.assets_common.scss
    - /website_sale/static/src/scss/primary_variables.scss
    - /website/static/src/snippets/s_badge/000_variables.scss
    - /website/static/src/snippets/s_product_list/000_variables.scss
    - /theme_artists/static/src/scss/primary_variables.scss
    - /website/static/src/scss/secondary_variables.scss
    - /web/static/src/legacy/scss/secondary_variables.scss
    - /web_editor/static/src/scss/secondary_variables.scss
    - /web/static/src/legacy/scss/bootstrap_overridden.scss
    - /web/static/src/legacy/scss/bs_mixins_overrides_backend.scss
    - /web_editor/static/src/scss/bootstrap_overridden_backend.scss
    - /web_editor/static/src/scss/bootstrap_overridden.scss
    - /web/static/lib/bootstrap/scss/_variables.scss
    - /web/static/src/legacy/scss/import_bootstrap.scss
    - /web/static/src/legacy/scss/bootstrap_review.scss
    - /web/static/src/core/utils/transitions.scss
    - /web/static/src/core/checkbox/checkbox.scss
    - /web/static/src/core/commands/command_palette.scss
    - /web/static/src/core/debug/debug_menu.scss
    - /web/static/src/core/debug/profiling/profiling_item.scss
    - /web/static/src/core/dialog/dialog.scss
    - /web/static/src/core/dropdown/dropdown.scss
    - /web/static/src/core/effects/rainbow_man.scss
    - /web/static/src/core/hotkeys/hotkey.scss
    - /web/static/src/core/notifications/notification.scss
    - /web/static/src/core/popover/popover.scss
    - /web/static/src/core/position/position.scss
    - /web/static/src/core/tooltip/tooltip.scss
    - /web/static/src/core/ui/block_ui.scss
    - /web/static/src/search/control_panel/control_panel.scss
    - /web/static/src/search/search_panel/search_panel.scss
    - /web/static/src/search/search_panel/search_view.scss
    - /web/static/src/search/search_panel/search_view_extra.scss
    - /web/static/src/views/graph/graph_view.scss
    - /web/static/src/views/pivot/pivot_view.scss
    - /web/static/src/webclient/actions/action_dialog.scss
    - /web/static/src/webclient/loading_indicator/loading_indicator.scss
    - /web/static/src/webclient/navbar/navbar.scss
    - /web/static/src/webclient/user_menu/user_menu.scss
    - /web/static/src/webclient/user_menu/user_menu_items.scss
    - /web/static/src/webclient/webclient.scss
    - /web/static/src/webclient/webclient_extra.scss
    - /web/static/src/webclient/webclient_layout.scss
    - /web/static/src/legacy/scss/domain_selector.scss
    - /web/static/src/legacy/scss/model_field_selector.scss
    - /web/static/src/legacy/scss/progress_bar.scss
    - /web/static/src/legacy/scss/dropdown.scss
    - /web/static/src/legacy/scss/tooltip.scss
    - /web/static/src/legacy/scss/switch_company_menu.scss
    - /web/static/src/legacy/scss/ace.scss
    - /web/static/src/legacy/scss/fields.scss
    - /web/static/src/legacy/scss/file_upload.scss
    - /web/static/src/legacy/scss/views.scss
    - /web/static/src/legacy/scss/form_view.scss
    - /web/static/src/legacy/scss/list_view.scss
    - /web/static/src/legacy/scss/kanban_dashboard.scss
    - /web/static/src/legacy/scss/kanban_examples_dialog.scss
    - /web/static/src/legacy/scss/kanban_column_progressbar.scss
    - /web/static/src/legacy/scss/kanban_view.scss
    - /web/static/src/legacy/scss/web_calendar.scss
    - /web/static/src/legacy/scss/data_export.scss
    - /base/static/src/scss/onboarding.scss
    - /web/static/src/legacy/scss/attachment_preview.scss
    - /web/static/src/legacy/scss/base_document_layout.scss
    - /web/static/src/legacy/scss/special_fields.scss
    - /web/static/src/legacy/scss/ribbon.scss
    - /web/static/src/legacy/scss/base_settings.scss
    - /web/static/src/legacy/scss/report_backend.scss
    - /web/static/src/legacy/scss/dropdown_extra.scss
    - /web/static/src/legacy/scss/fields_extra.scss
    - /web/static/src/legacy/scss/form_view_extra.scss
    - /web/static/src/legacy/scss/list_view_extra.scss
    - /web/static/src/legacy/scss/profiling_qweb_view.scss
    - /base_setup/static/src/scss/settings.scss
    - /mail/static/src/scss/variables/derived_variables.scss
    - /mail/static/src/components/notification_list/notification_list_item.scss
    - /mail/static/src/scss/activity_view.scss
    - /mail/static/src/scss/composer.scss
    - /mail/static/src/scss/discuss.scss
    - /mail/static/src/scss/emojis.scss
    - /mail/static/src/scss/kanban_view.scss
    - /mail/static/src/scss/m2x_avatar_user.scss
    - /mail/static/src/scss/mail_activity.scss
    - /mail/static/src/scss/systray.scss
    - /mail/static/src/scss/thread.scss
    - /mail/static/src/components/activity/activity.scss
    - /mail/static/src/components/activity_box/activity_box.scss
    - /mail/static/src/components/activity_mark_done_popover/activity_mark_done_popover.scss
    - /mail/static/src/components/attachment_box/attachment_box.scss
    - /mail/static/src/components/attachment_card/attachment_card.scss
    - /mail/static/src/components/attachment_image/attachment_image.scss
    - /mail/static/src/components/attachment_list/attachment_list.scss
    - /mail/static/src/components/attachment_viewer/attachment_viewer.scss
    - /mail/static/src/components/channel_invitation_form/channel_invitation_form.scss
    - /mail/static/src/components/channel_member_list/channel_member_list.scss
    - /mail/static/src/components/chat_window/chat_window.scss
    - /mail/static/src/components/chat_window_header/chat_window_header.scss
    - /mail/static/src/components/chat_window_hidden_menu/chat_window_hidden_menu.scss
    - /mail/static/src/components/chat_window_manager/chat_window_manager.scss
    - /mail/static/src/components/chatter/chatter.scss
    - /mail/static/src/components/chatter_container/chatter_container.scss
    - /mail/static/src/components/chatter_topbar/chatter_topbar.scss
    - /mail/static/src/components/composer/composer.scss
    - /mail/static/src/components/composer_suggested_recipient/composer_suggested_recipient.scss
    - /mail/static/src/components/composer_suggested_recipient_list/composer_suggested_recipient_list.scss
    - /mail/static/src/components/composer_suggestion/composer_suggestion.scss
    - /mail/static/src/components/composer_suggestion_list/composer_suggestion_list.scss
    - /mail/static/src/components/composer_text_input/composer_text_input.scss
    - /mail/static/src/components/delete_message_confirm_dialog/delete_message_confirm_dialog.scss
    - /mail/static/src/components/dialog/dialog.scss
    - /mail/static/src/components/discuss/discuss.scss
    - /mail/static/src/components/discuss_mobile_mailbox_selection/discuss_mobile_mailbox_selection.scss
    - /mail/static/src/components/discuss_sidebar/discuss_sidebar.scss
    - /mail/static/src/components/discuss_sidebar_category/discuss_sidebar_category.scss
    - /mail/static/src/components/discuss_sidebar_category_item/discuss_sidebar_category_item.scss
    - /mail/static/src/components/discuss_sidebar_mailbox/discuss_sidebar_mailbox.scss
    - /mail/static/src/components/drop_zone/drop_zone.scss
    - /mail/static/src/components/emojis_popover/emojis_popover.scss
    - /mail/static/src/components/file_uploader/file_uploader.scss
    - /mail/static/src/components/follow_button/follow_button.scss
    - /mail/static/src/components/follower/follower.scss
    - /mail/static/src/components/follower_list_menu/follower_list_menu.scss
    - /mail/static/src/components/follower_subtype/follower_subtype.scss
    - /mail/static/src/components/follower_subtype_list/follower_subtype_list.scss
    - /mail/static/src/components/mail_template/mail_template.scss
    - /mail/static/src/components/media_preview/media_preview.scss
    - /mail/static/src/components/message/message.scss
    - /mail/static/src/components/message_action_list/message_action_list.scss
    - /mail/static/src/components/message_author_prefix/message_author_prefix.scss
    - /mail/static/src/components/message_in_reply_to_view/message_in_reply_to_view.scss
    - /mail/static/src/components/message_list/message_list.scss
    - /mail/static/src/components/message_reaction_group/message_reaction_group.scss
    - /mail/static/src/components/message_seen_indicator/message_seen_indicator.scss
    - /mail/static/src/components/messaging_menu/messaging_menu.scss
    - /mail/static/src/components/mobile_messaging_navbar/mobile_messaging_navbar.scss
    - /mail/static/src/components/notification_group/notification_group.scss
    - /mail/static/src/components/notification_list/notification_list.scss
    - /mail/static/src/components/notification_popover/notification_popover.scss
    - /mail/static/src/components/notification_request/notification_request.scss
    - /mail/static/src/components/partner_im_status_icon/partner_im_status_icon.scss
    - /mail/static/src/components/popover_view/popover_view.scss
    - /mail/static/src/components/rtc_activity_notice/rtc_activity_notice.scss
    - /mail/static/src/components/rtc_call_participant_card/rtc_call_participant_card.scss
    - /mail/static/src/components/rtc_call_viewer/rtc_call_viewer.scss
    - /mail/static/src/components/rtc_configuration_menu/rtc_configuration_menu.scss
    - /mail/static/src/components/rtc_controller/rtc_controller.scss
    - /mail/static/src/components/rtc_invitation_card/rtc_invitation_card.scss
    - /mail/static/src/components/rtc_invitations/rtc_invitations.scss
    - /mail/static/src/components/rtc_layout_menu/rtc_layout_menu.scss
    - /mail/static/src/components/rtc_option_list/rtc_option_list.scss
    - /mail/static/src/components/rtc_video/rtc_video.scss
    - /mail/static/src/components/thread_icon/thread_icon.scss
    - /mail/static/src/components/thread_needaction_preview/thread_needaction_preview.scss
    - /mail/static/src/components/thread_preview/thread_preview.scss
    - /mail/static/src/components/thread_textual_typing_status/thread_textual_typing_status.scss
    - /mail/static/src/components/thread_typing_icon/thread_typing_icon.scss
    - /mail/static/src/components/thread_view/thread_view.scss
    - /mail/static/src/components/thread_view_topbar/thread_view_topbar.scss
    - /mail/static/src/components/welcome_view/welcome_view.scss
    - /mail/static/src/widgets/discuss/discuss.scss
    - /mail/static/src/widgets/form_renderer/form_renderer.scss
    - /sales_team/static/src/scss/crm_team_views.scss
    - /web_editor/static/src/scss/web_editor.common.scss
    - /web_editor/static/src/scss/web_editor.backend.scss
    - /resource/static/src/scss/section_backend.scss
    - /account/static/src/scss/account_reconciliation.scss
    - /account/static/src/scss/account_journal_dashboard.scss
    - /account/static/src/scss/account_dashboard.scss
    - /account/static/src/scss/account_searchpanel.scss
    - /account/static/src/scss/section_and_note_backend.scss
    - /account/static/src/scss/account_activity.scss
    - /payment/static/src/scss/payment_acquirer.scss
    - /utm/static/src/scss/utm_views.scss
    - /sale/static/src/scss/sale_onboarding.scss
    - /sale/static/src/scss/product_configurator.scss
    - /calendar/static/src/scss/calendar.scss
    - /crm/static/src/scss/crm.scss
    - /crm/static/src/scss/crm_team_member_views.scss
    - /website/static/src/scss/view_hierarchy.scss
    - /website/static/src/scss/website.backend.scss
    - /website/static/src/scss/website_visitor_views.scss
    - /website/static/src/scss/website.theme_install.scss
    - /stock/static/src/scss/forecast_widget.scss
    - /stock/static/src/scss/stock_traceability_report.scss
    - /stock/static/src/scss/stock_empty_screen.scss
    - /website_sale/static/src/scss/website_sale_dashboard.scss
    - /website_sale/static/src/scss/website_sale_backend.scss
    - /im_livechat/static/src/scss/im_livechat_history.scss
    - /im_livechat/static/src/scss/im_livechat_form.scss
    - /base_iban/static/src/scss/iban_widget_view.scss
    - /auth_totp/static/src/scss/res_users_view_form.scss
    - /base_import/static/src/legacy/scss/base_import.scss
    - /base_import/static/src/legacy/scss/icons.scss
    - /mail_bot/static/src/scss/odoobot_style.scss
    - /partner_autocomplete/static/src/scss/partner_autocomplete.scss
    - /snailmail/static/src/components/snailmail_notification_popover/snailmail_notification_popover.scss
    - /website_livechat/static/src/components/visitor_banner/visitor_banner.scss