Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 0f13c3aa9d5dacb25e407449b16a31273c788ef188f4c9c1592f674e6bf396f3:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^