Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 8ddf1bffb196a2ef4cb97b6eebb5b51908dff37fd0e9ccfd522c7d9056252622:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^