Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4f3a1a8e83d287d2c4f91a5fadf6ec5ff3fa1920bb35205404200246accc210c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^