Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 3180820ca72ac2808b80205b433b0353bf2d708b9c2ae60cf78d7b855243cd89:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^