Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a3f21e9ab15bb11eba02505d9ae249865a8aaedb244031e87ff3fb9c2c81ae97:14:28
   |
14 |                             let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^