Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> fb0eec64e25b5e38c5fab2d91e6b35cd9be5a394ca207d50ba80ac8b8d1572cd:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^