Icrc1_transfer from canister always returns InsufficientFunds: ledger_balance=0 despite correct balance

Icrc1_transfer from canister always returns InsufficientFunds: ledger_balance=0 despite correct balance — both ICP and ckUSDC ledgersHi everyone, I'm building an autonomous trading bot canister on ICP with Caffeine.AI and have been stuck on a persistent InsufficientFunds: ledger balance=0 error when calling icrc1 transfer from within the canister. I've exhausted all code-level fixes and would appreciate community insight.…This forum reads and writes through the Internet Computer from your browser, so the discussion itself needs JavaScript enabled.