Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 994febe3eba90b6946b0d6b17ddbd04146ce358c29caeccc1f3a617fde29452a:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^