Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 9c3cebeebe7e603ff60e3c9816dc81a0c13cc6907ff4f4922ad94b96231552a5:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^