Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 28f7fa5ec2435b84e98efa22baabbfaba0baaf9f1477d3b8aa710a44821e82f0:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^