Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 40d035527b4f4f829f3f4479a1d790059dcf7e28dc0196a1b62e4a5ba18d3b69:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^