Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> cf3f0ea724d7d34dc888eecd563a6a7131fbdc177b8159c4b2cfe2c2dda8960d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^