Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> bf4c6a01132e4776c79b930cf25c0ec0a6a62196323ab154ba67c996cddadd8b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^