Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1b1c7a49bf2998c22358edaa43d98b10be2f4b68ada51f4efc88b63849bd5a53:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^