Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 89f0dfae8d92db72db32306626e7c0a57fdc73571732e2f4d640e0616cb15f83:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^