Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b9e0ca857cc14d10c45eada14fdd35077bf3e6339f36d9d1a0151428001dec41:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^