Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> da93f1dab8664d38f54500ba6bc83ae25751511da9eec1b1392f28abc3f3e74a:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^