Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a3693d89f382d45384829f8810e18553c6ec88735f12f07223ad83940cbe200a:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^