Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4fb474ecc78461cefeb743eb83260690508800c392e2a954db1a0f239ab039bc:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^