Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1f2395766f693ed732a1fd6d9158c5650c4cbe042583ed5a5e56d041b8ced97a:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^