Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a98cf4a9016f7f9cb13e3534620bafe24fc6df5bc1bfb5a5c2249536930f8847:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^