Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 71f8cc89797045af6817098e709ac04172f7f40b6082477438dadd7c10f7f31a:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^