Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e60245ed3b5c0949c550678cd3bd21558610bf4118dac25a6bac09a7cdaa41fb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^