Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 5e48c691c7711578a689d99f6e2c16ef4eba887fe6ba8801dda1d19ab0485bbf:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^