Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 8ad842137860522b2e063f9abdefa82012646722cf7994c848ea3175737085cd:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^