Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> bc98211d42ba38519891b945b200973b6fdb5b99b82583ff0d5160e6b74b95c5:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^