Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> bc6302ac0c7f156effaf5ba5c8d3d17c6e5be6d69998d9bf7d6c1b03984d627d:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^