Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 122eaed94098043fdf6f10408e5ba3b3a28018197f616171b2d41d097b5c51e6:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^