Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 71de4002ec83529811466c884a50b66ff7ef883b0b0b39848433d4cf1a2a3ae6:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^