Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 5836538daf0265235ceadb254b18f027718ae639c8d986b9c65aeba6abdd5c42:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^