Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ec407e23c3c046101159c21baf482d7d41cb2a3dfd0d1f594ea5c48bf9bdd344:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^