Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7efa538f0feceb5b8e11c29505054098c9e202b1e055744dbc2de1a2c34a2781:14:28
   |
14 |                             let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^