Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 84eb2a37ae5509149b0fb4cfc6725698856610add1b0388a61f7f6e1eafd0216:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^