Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 78463d2422d354da87fdc2405a83200a1bcaa6543109a84ca2d8c9538458061e:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^