Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b04d6ac180ca0439e62bafc706d846ead204c11d0fd681e7ac79a0b3997e7bbf:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^