Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ef507aaa0db76cd9e2509c3a4247fec929ad33c43e32f1cf88d5d1efa8b853d2:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^