Checking permissions in the channel in which interaction.channel.send() troubles, I have realized that "send_message" is set to False.
interaction.followup.send() is a weekbook, whereas interaction.channel.send() not. Do they require different permissions to work?

{'create_instant_invite': False, 'kick_members': False, 'ban_members': False, 'administrator': False, 'manage_channels': False, 'manage_guild': False, 'add_reactions': True, 'view_audit_log': False, 'priority_speaker': False, 'stream': False, 'read_messages': True, 'send_messages': False, 'send_tts_messages': False, 'manage_messages': False, 'embed_links': False, 'attach_files': False, 'read_message_history': True, 'mention_everyone': False, 'external_emojis': False, 'view_guild_insights': False, 'connect': False, 'speak': False, 'mute_members': False, 'deafen_members': False, 'move_members': False, 'use_voice_activation': False, 'change_nickname': True, 'manage_nicknames': True, 'manage_roles': False, 'manage_webhooks': False, 'manage_emojis': True, 'use_slash_commands': False, 'request_to_speak': False, 'manage_events': False, 'manage_threads': False, 'create_public_threads': True, 'create_private_threads': True, 'external_stickers': True, 'send_messages_in_threads': False, 'start_embedded_activities': True, 'moderate_members': False}