Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 48daa620dd57dee5262f124c08f09a6ee8d34fbee77b22b6be71c51e9a5afe1e:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^