Errors/Chain errors
TooMany
A chain-side capacity limit was hit; reduce the size or count of the request
A limit was exceeded: more preimage hashes than MAX_HASH_UPGRADE_BULK_COUNT were passed to ensure_updated, or the account has hit its proxy or announcement cap. Check the account's Proxies and Announcements entries against MaxProxies and MaxPending.
Declared by the Preimage, Proxy pallets; it classifies to the semantic code limit_exceeded.
Remediation
A chain-side capacity limit was hit; reduce the size or count of the request
The same explanation is available in the terminal: btcli explain TooMany.