Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1247e2c9019dc9c3336c82a52d184ffda93ecbfc67e30c61cdf3a6fa250822ed:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^