Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c163fc32d4ac1a5b7eb9aa980824da4774b318c2991fd5f36b5f280506fd4c3e:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^