Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 8510ba0d8220f037f73e32eef8fe745e6f1341a132880c54e5eb83d8db2365ad:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^