Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 42283e5355ddfff04ae13f6484669014c2ec3dc1f41ac2970af48e5dc98f5795:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^