Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> bf643951f0bb0e0643e8cf13af4838b3111be1f80b33df2368e130c030967fc5:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^