Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 956f6a9fa6afc5240ef680c123348766be24e56cbbfe86cbdc1f99d8d320f6f9:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^