Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 231e5ead32356cb704201bb8a6e39985f2128b255d35e1927c988d7c0366c671:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^