Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 09073fa928097f4c9cd67f1420ed838f535bcaea22ef22d3e2a035349ea2e93b:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^