Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 13ef6413f46f9ced53dc152da96c194f8bbe9fa25bea7ea1dccf2531ad132f48:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^