Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 0a37bcc4d64a52d96dc3b653ff2aa6cf1e89298f2f3791744876cdf131ff8c9a:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^