Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 064121e8645867cc50e9397c48931d97a1f9db7f6288f2d8dab8bb1c7c529d12:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^