Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> cf7d8a878e209c74bc2649ff39e3e3f4962df8b80b42d4d3b3de6e776bf343e3:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^