Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d0f6dce9515c06510d73fd6e43527e1b5cda61f64b107863aba545fefb214d5d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^