Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 20e3011d0c208457c6fc5c4754b1cc02a3fdea8006347d05c43d514fe680e400:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^