Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 26ae4105ad28ae3a945b9a6713682a64b72a890b56d57b7b6373bcf895285ac8:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^