Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1620a809d87c06ca8a6f3ec3b93e76b0e6284897c0053c6197db3ac103dcbc37:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^