Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7a2b4439cf0f252d672c9f6263811a24322206bc89a31eafab11e253ba7acdbf:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^