Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 6a4f7809ed4b53e5695447ccae7791c139c64f252249ed201ea1d99b35e1680f:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^