Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 889f5ae4bd2eb0d271c062b19b795d460959eb7c6ebf5fba5d17da65a840dab9:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^