RocketChat/Rocket.Chat · error · Meteor.Error

error-file-too-large

error-file-too-large

Error message

File size exceeds upload limit of {{size}}.

What it means

Error "File size exceeds upload limit of {{size}}." thrown in RocketChat/Rocket.Chat.

Source

Thrown at apps/meteor/server/lib/media/file-upload/lib/FileUpload.ts:182

		}
		const language = user?.language || 'en';
		if (!fileUploadAllowed) {
			const reason = i18n.t('FileUpload_Disabled', { lng: language });
			throw new Meteor.Error('error-file-upload-disabled', reason);
		}

		if (room && !directMessageAllowed && room.t === 'd') {
			const reason = i18n.t('File_not_allowed_direct_messages', { lng: language });
			throw new Meteor.Error('error-direct-message-file-upload-not-allowed', reason);
		}

		// -1 maxFileSize means there is no limit
		if (maxFileSize > -1 && (file.size || 0) > maxFileSize) {
			const reason = i18n.t('File_exceeds_allowed_size_of_bytes', {
				size: filesize(maxFileSize),
				lng: language,
			});
			throw new Meteor.Error('error-file-too-large', reason);
		}

		if (!settings.get('E2E_Enable_Encrypt_Files') && isE2EEUpload(file)) {
			const reason = i18n.t('Encrypted_file_not_allowed', { lng: language });
			throw new Meteor.Error('error-invalid-file-type', reason);
		}

		// E2EE files should be of type application/octet-stream. no information about them should be disclosed on upload if they are encrypted
		if (isE2EEUpload(file)) {
			file.type = 'application/octet-stream';
		}

		// E2EE files are of type application/octet-stream, which is whitelisted for E2EE files
		if (!fileUploadIsValidContentType(file?.type, isE2EEUpload(file) ? 'application/octet-stream' : undefined)) {
			const reason = i18n.t('File_type_is_not_accepted', { lng: language });
			throw new Meteor.Error('error-invalid-file-type', reason);
		}

View on GitHub (pinned to b2c16d5842)

Solutions

1. Reduce the file size below the configured FileUpload_MaxFileSize limit and retry.
2. Ask an administrator to raise the maximum upload file size setting.

When it happens

Trigger: Thrown at apps/meteor/server/lib/media/file-upload/lib/FileUpload.ts:182 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of RocketChat/Rocket.Chat@b2c16d5842 (2026-08-18). Data as JSON: /api/errors/70cd0dd675669cf6. Report an issue: GitHub.