Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 8a6d1dff0860773dc5e2020361e8252ebf62c2e3bb6a92d7c20f1350e82175d9:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^