Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 3743e409f721027995e458acfb23679b70010b9d2e247b1d1cd085c48e3652e2:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^