Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 6d724a65b9de2ab6e427cd37d9a6c4c2e993f6c36fbd4f9cc6f18d9298a973c2:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^