Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a51f1bda497682f2c69250d6b0ee5c5a5c72682b702f1e87bdf28a7c2b7000ad:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^