Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 132573561e070e813b844fa7af5d043b98653c852c24d8cee2ec8fac37e83004:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^