Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a4f6f140f2355dffb264bdd1f749184c920f260e0622258b53adae119a0691c7:28:8
   |
28 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^