Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 84e733abf57997969daaaca8bb1f9ce58e89be2362d8db89dd52a5c77a9fb76b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^