Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ac0cabb4d4e408fb3c2c3927099c1bc7eb4858079d38237a289a64ef9503bac1:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^