Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ac9dc1d7326370171faa60183e0dccdf5c51c99432e750f5370c61d1c1f66735:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^