Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ab11d8bf6911e7e35c03890b880c7ae81e75e1450a4f902e1d6f2a25ff9a9d1c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^