Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a93cb64c1ea412e5409ded1b0dfddddc07857276b9534127241dd7d25e9c58e3:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^