Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 8bc8f611ff8ed44cab9f8253ba775d6effdd47c0909e57d6e8be8ddd0681999c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^