Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a70a46217a35e9861fc1cdbde1e134d7d50381ecf134cc4fe09a8996b2a76e42:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^