Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c2ffd7ca172f422a3c0a0afec59707c6be3ba85dd2a717f40f4e135e958b14bb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^