Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d4f4ae6032535349d6ab685e4b38416e2994252523ebd4b81ad5240db81a3e0e:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^