CHAT_TOO_BIG
CHAT_TOO_BIG
Section titled “CHAT_TOO_BIG”This method is not available for groups with more than chat_read_mark_size_threshold members, see client configuration ».
Error details
Section titled “Error details”- code: 400
- parameterized: no
- mapped methods:
messages.getMessageReadParticipants,messages.getMessagesReadParticipants(not in selected Layer 228 schema)
Python error class
Section titled “Python error class”from miniproto.errors import ChatTooBigPublic access: miniproto.errors.ChatTooBig.
Provenance
Section titled “Provenance”- layer: 228
- structural source:
tdlib - RPC error source: https://core.telegram.org/api/errors
- prose merge precedence: TDLib → Telegram Desktop → Core JSON
- source note: Canonical structure is the pinned TDLib telegram_api.tl; Layer 228 comes only from the matching Telegram Desktop end-of-file marker; core.telegram.org inputs enrich documentation and RPC error metadata without overriding structure.
Source-diff notes
Section titled “Source-diff notes”- tdlib_vs_core: changed_count=68; core_only_count=1; overlap_count=2302; tdlib_only_count=158
- tdlib_vs_tdesktop: changed_count=0; overlap_count=2448; tdesktop_only=null; tdlib_only=accessPointRule, ephemeral.editMessage, help.configSimple, inputPeerPhotoFileLocationLegacy, inputStickerSetThumbLegacy, invokeWithApnsSecretPrefix, invokeWithBusinessConnectionPrefix, invokeWithGooglePlayIntegrityPrefix, invokeWithReCaptchaPrefix, ipPort, ipPortSecret, updateEphemeralBotCallbackQuery
miniprotoFast paths where they count. Explicit boundaries everywhere else.