LTC : unable to broadcast transaction

Modified on Sun, 29 Jan 2023 at 10:42 AM

Signing transactions usually requires a privateKey. 

However, using the wrong privateKey and or the wrong signatureId (KMS) can cause the following error message:

  "message":"Unable to broadcast transaction.",
  "cause": "mandatory-script-verify-flag-failed (Operation not valid with the current stack size)"

Good to know

  • When KMS is involved, BTC-based chains require using a key-based signature id. 
  • Mnemonic-based signature id is currently under development.

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