Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> cdf54f41dd4b0e07c648f9bf567e0d825db6f543a7448af1402c51ba3662e31a:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^