Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7a0539dbf1083356097239afdc48caad34ebc644ec1eb086464cdc1dce1aeb7d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^