Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> bac0ef354ffd8fdb25669f05c44772ec8f74da4e9637157bbdd07f99f52ea2d0:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^