Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d2f3486c2daf00633252f157be4addc8d3b4378157629d84882896760a744d3d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^