Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7f1f8b6d1c05d1caf9eb7e3193f2b84b8fe306a5aece498f7d2087db8206968d:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^