Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 17f404e1282fa1579231f14403b5723028650c71fe05e3bd50cf2c3f595394cf:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^