Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 9b2b96cfff888dbc034e3bdb3a5666b7641e9ce9d68a274919691db821aad362:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^