Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a4499823dfc8613e2d689003f51c5a3e06e80693bebfc6d6cdb9c762c667d78a:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^