Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1809bb1c6b9f0c759690d9ca3e37d24e51162759c7915fc47ef633bdcda43a3e:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^