SIGNER__TRANSACTION_SENDING_SIGNER_MISSING
Appears as Solana error #5508010; Decode this error by running `npx @solana/errors decode -- 5508010 '…'`
No `TransactionSendingSigner` was identified. Please provide a valid `TransactionWithSingleSendingSigner` transaction.
signAndSendTransactionMessageWithSigners needs exactly one sending signer (usually a wallet) and none was found.
TransactionSendingSigner to the fee payer, or sign with partial signers and send via sendAndConfirmTransaction yourself.npx @solana/errors decode -- 5508010 '<base64 context>'In development, import from @solana/kit as usual and the full message is thrown. In production the message is stripped to keep bundles small; the error object still carries error.context with the same values this page decodes, and isSolanaError(err, SOLANA_ERROR__SIGNER__TRANSACTION_SENDING_SIGNER_MISSING) lets you branch on it.